Business Statistics

Which one of the following is a relative measure of Dispersion?

• Standard Deviation

• Variance

• Coefficient of Variation

• None of the above

Which of the following are the types of Probability Sampling?

• Stratified Random Sampling

• Systematic Sampling

• Convenience Sampling

• Quota Sampling

Coefficient of correlation will be always will always be

• More than 0

• More than -1

• More than 1

• Between -1 and 1

We can measure the cause and effect relationship by

• Time series analysis

• Correlation analysis

• Regression analysis

• Cross-sectional analysis

Given A and B are mutually exclusive than P(A/B) is _______

Which of the following are parametric tests?

• t-test

• f-test

• Anova

• Chi-square test

In statistics,a population consists of

• All people living in country

• All people living are under study

• All subjects and objects whose characteristics are being studied

• None of the above

First quartile is also known as

• Lower quartile

• Upper quartile

• Median

• Geometric Mean

The probability of any event is between ___ and ____

The sum of the percent frequencies for all classes will always equal

• One

• Number of classes

• Number of items in the study

• 100