MRA Statistical Techniques & Data Interpretation

Question 1

Which measure represents the average value in a data set?

Accepted Answer

Mean

Answer

Mode

Answer

Median

Answer

Range

Question 2

What does standard deviation measure in a dataset?

Accepted Answer

Spread of the data

Answer

Average value

Answer

Total frequency

Answer

Highest value

Question 3

Which statistical test compares means between two groups?

Accepted Answer

T-test

Answer

Chi-square test

Answer

Regression analysis

Answer

ANOVA

Question 4

What type of variable is 'customer satisfaction rating on a 1-5 scale'?

Accepted Answer

Ordinal

Answer

Nominal

Answer

Interval

Answer

Ratio

Question 5

Which chart is best for showing the distribution of a single continuous variable?

Accepted Answer

Histogram

Answer

Pie chart

Answer

Line graph

Answer

Bar chart

Question 6

What does a correlation coefficient close to 0 indicate?

Accepted Answer

No linear relationship

Answer

Strong positive relationship

Answer

Strong negative relationship

Answer

A perfect match

Question 7

What is the purpose of using regression analysis in market research?

Accepted Answer

To evaluate associations between variables

Answer

To measure central tendency

Answer

To reduce data size

Answer

To find outliers

Question 8

Which term describes the number of times a value occurs in a dataset?

Accepted Answer

Frequency

Answer

Mean

Answer

Deviation

Answer

Variance

Question 9

Which of the following is a type of inferential statistic?

Accepted Answer

Hypothesis testing

Answer

Frequency distribution

Answer

Mean

Answer

Median