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# Test: Statistical Tools and Interpretation- Arithmetic Mean, Median and Mode - Assertions & Reason T...

## 8 Questions MCQ Test Economics Class 11 | Test: Statistical Tools and Interpretation- Arithmetic Mean, Median and Mode - Assertions & Reason T...

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QUESTION: 1

### Read the following passage and answer the question that follows:Happiness is considered as a kind of positive emotion which has a significant impact on the physical, cognitive and psychological mechanisms and improves human performance in different fields. This research aims to study the correlation between happiness and death anxiety in health personnel of Zareh hospital in the city of Sari. The current research is a descriptive cross-sectional and correlative study. The population includes all of the health personnel of Zareh hospital located in the city of Sari and they are 226 individuals. Two questionnaires of Oxford Happiness Questionnaire and Templer’s Death Anxiety Questionnaire were completed and surveyed by 144 individuals (97 females and 47 males) of health personnel chosen by simple random sampling. In order to analyze data, the inferential and descriptive statistics including simultaneous equation regression model, Pearson's correlation coefficient, cut-point, and t-test were used for two independent groups. Research results showed that for each one unit of increase in the variable of happiness 0.27 is decreased from the personnel’s’ death anxiety. Thus there is a significant and inverse correlation between two variables of personnel’s happiness and death anxiety. Also another part of the results showed that the difference between females’ happiness and males’ happiness was not significant.Read the following statements–Assertion (A) and Reason (R).Assertion (A): There is a significant and inverse correlation between two variables of personnel’s happiness and death anxiety.Reason (R): Happiness is considered as a kind of positive emotion which has a significant impact on the physical, cognitive and psychological mechanisms and improves human performance in different fields.

Solution: Research results showed that for each one unit of increase in the variable of happiness 0.27 is decreased from the personnel's' death anxiety. Thus there is a significant and inverse correlation between two variables of personnel's happiness and death anxiety.
QUESTION: 2

Solution:
QUESTION: 3

### Read the following passage and answer the question that follows:Happiness is considered as a kind of positive emotion which has a significant impact on the physical, cognitive and psychological mechanisms and improves human performance in different fields. This research aims to study the correlation between happiness and death anxiety in health personnel of Zareh hospital in the city of Sari. The current research is a descriptive cross-sectional and correlative study. The population includes all of the health personnel of Zareh hospital located in the city of Sari and they are 226 individuals. Two questionnaires of Oxford Happiness Questionnaire and Templer’s Death Anxiety Questionnaire were completed and surveyed by 144 individuals (97 females and 47 males) of health personnel chosen by simple random sampling. In order to analyze data, the inferential and descriptive statistics including simultaneous equation regression model, Pearson's correlation coefficient, cut-point, and t-test were used for two independent groups. Research results showed that for each one unit of increase in the variable of happiness 0.27 is decreased from the personnel’s’ death anxiety. Thus there is a significant and inverse correlation between two variables of personnel’s happiness and death anxiety. Also another part of the results showed that the difference between females’ happiness and males’ happiness was not significant.Q. ..................... (//) between happiness and death anxiety is being studied.

Solution: Research results showed that for each one unit of increase in the variable of happiness 0.27 is decreased from the personnel's' death anxiety. Thus there is a significant and inverse correlation between two variables of personnel's happiness and death anxiety.
QUESTION: 4

Happiness is considered as a kind of positive emotion which has a significant impact on the physical, cognitive and psychological mechanisms and improves human performance in different fields. This research aims to study the correlation between happiness and death anxiety in health personnel of Zareh hospital in the city of Sari. The current research is a descriptive cross-sectional and correlative study. The population includes all of the health personnel of Zareh hospital located in the city of Sari and they are 226 individuals. Two questionnaires of Oxford Happiness Questionnaire and Templer’s Death Anxiety Questionnaire were completed and surveyed by 144 individuals (97 females and 47 males) of health personnel chosen by simple random sampling. In order to analyze data, the inferential and descriptive statistics including simultaneous equation regression model, Pearson's correlation coefficient, cut-point, and t-test were used for two independent groups. Research results showed that for each one unit of increase in the variable of happiness 0.27 is decreased from the personnel’s’ death anxiety. Thus there is a significant and inverse correlation between two variables of personnel’s happiness and death anxiety. Also another part of the results showed that the difference between females’ happiness and males’ happiness was not significant.

Q. What type of correlation is present between happiness and death anxiety?

Solution:
QUESTION: 5

The Office of the Economic Adviser, Department for Promotion of Industry and Internal Trade is releasing index numbers of wholesale price in India for the month of June, 2020 (Provisional) and for the month of April, 2020 (Final).

In view of the limited transactions of products in the wholesale market in the month of April, 2020, due to spread of Covid-19 pandemic, it has been decided to release the Price Movement of selected Subgroups/Groups of WPI.

Provisional figures of Wholesale Price Index (WPI) are released on 14th of every month (or next working day) with a time lag of two weeks of the reference month and compiled with data received from institutional sources and selected manufacturing units across the country. After 10 weeks, the index is finalized and final figures are released and then frozen thereafter.

The annual rate of inflation, based on monthly WPI, stood at (– 1.81%) (Provisional) for the month of June, 2020 (over June, 2019) as compared to 2.02% during the corresponding month of the previous year.

The index for the primary articles increased by (2.28%) to 139.3 (provisional) in June, 2020 from 136.2 (provisional) for the month of May, 2020. Prices of Crude Petroleum & Natural Gas (16.30%), Food Articles (1.97%) and Non Food Articles (1.71%) increased as compared to May, 2020. Prices of Minerals (– 1.72 %) declined as compared to May 2020.

State whether the given statement is true or false:

Q. The component declined as compared to May 2020 is Crude Petroleum

Solution:
QUESTION: 6

The Office of the Economic Adviser, Department for Promotion of Industry and Internal Trade is releasing index numbers of wholesale price in India for the month of June, 2020 (Provisional) and for the month of April, 2020 (Final).

In view of the limited transactions of products in the wholesale market in the month of April, 2020, due to spread of Covid-19 pandemic, it has been decided to release the Price Movement of selected Subgroups/Groups of WPI.

Provisional figures of Wholesale Price Index (WPI) are released on 14th of every month (or next working day) with a time lag of two weeks of the reference month and compiled with data received from institutional sources and selected manufacturing units across the country. After 10 weeks, the index is finalized and final figures are released and then frozen thereafter.

The annual rate of inflation, based on monthly WPI, stood at (– 1.81%) (Provisional) for the month of June, 2020 (over June, 2019) as compared to 2.02% during the corresponding month of the previous year.

The index for the primary articles increased by (2.28%) to 139.3 (provisional) in June, 2020 from 136.2 (provisional) for the month of May, 2020. Prices of Crude Petroleum & Natural Gas (16.30%), Food Articles (1.97%) and Non Food Articles (1.71%) increased as compared to May, 2020. Prices of Minerals (– 1.72 %) declined as compared to May 2020.

Q. Which index number is being prepared by the office of Economic Adviser, Department for Promotion of Industry and Internal Trade?

Solution: The Wholesale Price Index is the price of a representative basket of wholesale goods. Some countries use WPI changes as a central measure of inflation. But now India has adopted a new CPI to measure inflation. However, the United States now reports a producer price index instead.
QUESTION: 7

The Office of the Economic Adviser, Department for Promotion of Industry and Internal Trade is releasing index numbers of wholesale price in India for the month of June, 2020 (Provisional) and for the month of April, 2020 (Final).

In view of the limited transactions of products in the wholesale market in the month of April, 2020, due to spread of Covid-19 pandemic, it has been decided to release the Price Movement of selected Subgroups/Groups of WPI.

Provisional figures of Wholesale Price Index (WPI) are released on 14th of every month (or next working day) with a time lag of two weeks of the reference month and compiled with data received from institutional sources and selected manufacturing units across the country. After 10 weeks, the index is finalized and final figures are released and then frozen thereafter.

The annual rate of inflation, based on monthly WPI, stood at (– 1.81%) (Provisional) for the month of June, 2020 (over June, 2019) as compared to 2.02% during the corresponding month of the previous year.

The index for the primary articles increased by (2.28%) to 139.3 (provisional) in June, 2020 from 136.2 (provisional) for the month of May, 2020. Prices of Crude Petroleum & Natural Gas (16.30%), Food Articles (1.97%) and Non Food Articles (1.71%) increased as compared to May, 2020. Prices of Minerals (– 1.72 %) declined as compared to May 2020.

Q. What is an index number?

Solution: An Index Number is a device, which shows by its variation the changes in the magnitude of a variable like price, production, etc.
QUESTION: 8

The Office of the Economic Adviser, Department for Promotion of Industry and Internal Trade is releasing index numbers of wholesale price in India for the month of June, 2020 (Provisional) and for the month of April, 2020 (Final).

In view of the limited transactions of products in the wholesale market in the month of April, 2020, due to spread of Covid-19 pandemic, it has been decided to release the Price Movement of selected Subgroups/Groups of WPI.

Provisional figures of Wholesale Price Index (WPI) are released on 14th of every month (or next working day) with a time lag of two weeks of the reference month and compiled with data received from institutional sources and selected manufacturing units across the country. After 10 weeks, the index is finalized and final figures are released and then frozen thereafter.

The annual rate of inflation, based on monthly WPI, stood at (– 1.81%) (Provisional) for the month of June, 2020 (over June, 2019) as compared to 2.02% during the corresponding month of the previous year.

The index for the primary articles increased by (2.28%) to 139.3 (provisional) in June, 2020 from 136.2 (provisional) for the month of May, 2020. Prices of Crude Petroleum & Natural Gas (16.30%), Food Articles (1.97%) and Non Food Articles (1.71%) increased as compared to May, 2020. Prices of Minerals (– 1.72 %) declined as compared to May 2020.

Q. The wholesale price index is created with reference to the ..................... received from institutional sources.

Solution: Wholesale Price Index meaning, data: To put it simply, the WPI tracks prices at the factory gate before the retail level.