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# Test: Measures Of Central Tendency

## 10 Questions MCQ Test Economics Class 11 | Test: Measures Of Central Tendency

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Attempt Test: Measures Of Central Tendency | 10 questions in 10 minutes | Mock test for Commerce preparation | Free important questions MCQ to study Economics Class 11 for Commerce Exam | Download free PDF with solutions
QUESTION: 1

Solution:

QUESTION: 2

### Arithmetic mean is of

Solution:

Arithmetic mean is of two types:

• Simple arithmetic mean
• Weighted mean.
QUESTION: 3

### Deciles refer to the division of series into

Solution:

Deciles, as its name suggests, refers to the division of series into ten equal parts. The value of each part is known as deciles.

QUESTION: 4

The another name of the 'measure of central tendency' is called

Solution:

Measures of central tendency refers to all those methods of statistical analysis which are used to calculate the average of a set of data.

QUESTION: 5

Arrangment of data in the given series is required while computing

Solution:

Median requires arrangement of data in either ascending or descending order before calculating median.

QUESTION: 6

Lower limit of first group and upper limit of last group are undefined in

Solution:

In case of classes like, below 10, 10-20, 20-30, 30-40, 40-50, above 50, computation of arithmetic mean would be impossible unless we assume the unknown limits.

QUESTION: 7

Which of the following is not a measure of central tendency?

Solution:

► Standard deviation is the measure of how spread out the numbers of a data are.

► Mean is the average.

► Median is the middle number, when data is arranged in numerical order.

► Mode is the data item the appears most frequently.

Mean, median and mode are all measures of central tendencies.

QUESTION: 8

The mathematical average is also called

Solution:

► Mean is a mathematical average.

The arithmetic mean or mean is defined as the sum of values of a group of items divided by the number of items. It is denoted by mean.

QUESTION: 9

Calculation of mean is very difficult in case of

Solution:

In case of open end classes, computation of arithmetic mean would be difficult unless we assume the unknown limits.

QUESTION: 10

Value that divides the series into hundred equal parts is called

Solution:

Values that divide the series into hundred equal parts are called percentiles. In percentile, we get 99 dividing positions denoted by P1, P2,……..,P99.

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