Unit 3: Numerical Descriptive Measures; Measures Of Central Tendency For Ungrouped Data

Question 1

The point about which the scores tend to cluster or the value to expected of typical or middle data point.

Answer 1

Measure of central tendency

Question 2

What are the most commonly used measures of central tendency?

Answer 2

Mean, median and mode

Question 3

What is the most commonly used measure of central tendency?

Answer 3

Mean

Question 4

Mean are also known as?

Answer 4

Arithmetic mean or the computed average

Question 5

A set of values represented by x1,x2,x3, … , xn can be expressed as the sum of values multiplied by their corresponding frequency.

Answer 5

Weighted arithmetic mean

Question 6

A set of data is a measure of central tendency that occupies the middle position in an array of values.

Answer 6

Median

Question 7

The most occurring/repeated value is a series or the value with the highest frequency in the dat set

Answer 7

Mode

Question 8

What is the distribution with only one mode?

Answer 8

Unimodal

Question 9

What is a distribution with two modes?

Answer 9

Bimodal

Question 10

What is a distribution with three modes?

Answer 10

Timodal

Question 11

What is a distribution with two or more modes labelled?

Answer 11

Multimodal