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Case Based Questions Test: Statistics - Class 10 MCQ


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15 Questions MCQ Test - Case Based Questions Test: Statistics

Case Based Questions Test: Statistics for Class 10 2024 is part of Class 10 preparation. The Case Based Questions Test: Statistics questions and answers have been prepared according to the Class 10 exam syllabus.The Case Based Questions Test: Statistics MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Case Based Questions Test: Statistics below.
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Case Based Questions Test: Statistics - Question 1

Read the following text and answer the following questions on the basis of the same.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Q. Determine the median number of letters in the surnames.

Detailed Solution for Case Based Questions Test: Statistics - Question 1
According to part (1),

l = 7, f = 40, c.f. = 36 and h = 3

∴ Median class = l +

Case Based Questions Test: Statistics - Question 2

Read the following text and answer the following questions on the basis of the same.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Q. Sum of lower limit of median and modal class is:

Detailed Solution for Case Based Questions Test: Statistics - Question 2
Lower limit of median class = 7 and lower limit of model class = 7

∴ Sum = 7 + 7 = 14

Hence, sum of lower limits

= 14

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Case Based Questions Test: Statistics - Question 3

Read the following text and answer the following questions on the basis of the same.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Q. What is the upper limit of median class?

Detailed Solution for Case Based Questions Test: Statistics - Question 3
For median,

Here,

Which lies in interval 7 - 10

∴ Median class = 7 - 10

Hence, the upper limit = 10

Case Based Questions Test: Statistics - Question 4

Read the following text and answer the following questions on the basis of the same.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Q. What is the upper limit of modal class?
Detailed Solution for Case Based Questions Test: Statistics - Question 4
In the given data, maximum frequency is 40 and it corresponds to the class interval 7 -10.

∴ Modal class = 7 - 10

Hence, Upper limit = 10.

Case Based Questions Test: Statistics - Question 5

Read the following text and answer the following questions on the basis of the same.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Q. Cumulative frequency of median class:

Detailed Solution for Case Based Questions Test: Statistics - Question 5

According to part Q. 1,

Cumulative frequency of median class = 76.

Case Based Questions Test: Statistics - Question 6

Read the following text and answer the following questions on the basis of the same.

Electricity Consumption problem

The following frequency distribution gives the monthly consumption of consumers of a locality.

Q. What is the lower limit of modal class?

Detailed Solution for Case Based Questions Test: Statistics - Question 6
In the given data, maximum frequency is 20 and it corresponds to the class interval 125-145.

∴ Modal class = 125-145.

Case Based Questions Test: Statistics - Question 7

Read the following text and answer the following questions on the basis of the same.

Electricity Consumption problem

The following frequency distribution gives the monthly consumption of consumers of a locality.

Q. What is the width of the class?
Detailed Solution for Case Based Questions Test: Statistics - Question 7
Width of class = 20.
Case Based Questions Test: Statistics - Question 8

Read the following text and answer the following questions on the basis of the same.

Electricity Consumption problem

The following frequency distribution gives the monthly consumption of consumers of a locality.

Q. What is the lower limit of median class?
Detailed Solution for Case Based Questions Test: Statistics - Question 8
Here,

Σ fi i.e., the sum of consumers = n = 68

Then, n/2 = 68/2 = 34, which lies in interval 125 – 145.

Hence, median class = 125 – 145.

Case Based Questions Test: Statistics - Question 9

Read the following text and answer the following questions on the basis of the same.

Electricity Consumption problem

The following frequency distribution gives the monthly consumption of consumers of a locality.

Q. What is the mean of upper limits of median and modal class?
Detailed Solution for Case Based Questions Test: Statistics - Question 9
Upper limit of median class = 145 and the upper limit of modal class = 145

Then, mean =

Case Based Questions Test: Statistics - Question 10

Read the following text and answer the following questions on the basis of the same.

Electricity Consumption problem

The following frequency distribution gives the monthly consumption of consumers of a locality.

Q. The median is:
Detailed Solution for Case Based Questions Test: Statistics - Question 10
From the question (1)

median class = 125 - 145

So, l = 125, n = 68, f = 20, c.f. = 22 and h = 20

Now,

=125 + 12

= 137.

Case Based Questions Test: Statistics - Question 11

Read the following text and answer the following questions on the basis of the same.

The Covid–19Pandemic, also known as coronavirus pandemic, is an ongoing pandemic of coronavirus disease caused by the transmission of severe acute respiratory syndrome Coronavirus 2 (SARS – Cov - 2) among humans.

The following table shows the age distribution of case admitted during a day in two different hospitals.

Refer to Table 1

Q. The upper limit of modal class is

Detailed Solution for Case Based Questions Test: Statistics - Question 11

Upper limit of modal class is 45.

Modal class is the interval having highest frequency.

Case Based Questions Test: Statistics - Question 12

Read the following text and answer the following questions on the basis of the same.

The Covid–19Pandemic, also known as coronavirus pandemic, is an ongoing pandemic of coronavirus disease caused by the transmission of severe acute respiratory syndrome Coronavirus 2 (SARS – Cov - 2) among humans.

The following table shows the age distribution of case admitted during a day in two different hospitals.

Refer to Table 2

Q. The mode of given data is
Detailed Solution for Case Based Questions Test: Statistics - Question 12

Modal class = 35 – 45

Mode =

= 35 + 6.2 = 41.2

Case Based Questions Test: Statistics - Question 13

Read the following text and answer the following questions on the basis of the same.

The Covid–19Pandemic, also known as coronavirus pandemic, is an ongoing pandemic of coronavirus disease caused by the transmission of severe acute respiratory syndrome Coronavirus 2 (SARS – Cov - 2) among humans.

The following table shows the age distribution of case admitted during a day in two different hospitals.

Refer to Table 1

Q.The average age for which maximum cases occurred is
Detailed Solution for Case Based Questions Test: Statistics - Question 13
Maximum cases are between Age group of 35 – 45.

So our answer lies between them.

Case Based Questions Test: Statistics - Question 14

Read the following text and answer the following questions on the basis of the same.

The Covid–19Pandemic, also known as coronavirus pandemic, is an ongoing pandemic of coronavirus disease caused by the transmission of severe acute respiratory syndrome Coronavirus 2 (SARS – Cov - 2) among humans.

The following table shows the age distribution of case admitted during a day in two different hospitals.

Refer to Table 1

Q. The mean of the given data is
Detailed Solution for Case Based Questions Test: Statistics - Question 14

Case Based Questions Test: Statistics - Question 15

Read the following text and answer the following questions on the basis of the same.

The Covid–19Pandemic, also known as coronavirus pandemic, is an ongoing pandemic of coronavirus disease caused by the transmission of severe acute respiratory syndrome Coronavirus 2 (SARS – Cov - 2) among humans.

The following table shows the age distribution of case admitted during a day in two different hospitals.

Refer to Table 2

Q. Median of given data is
Detailed Solution for Case Based Questions Test: Statistics - Question 15

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