Statistical Tool

Statistical tools are used to make sound conclusions

• TRUE

• FALSE

Correlation is useful when you want to see the linear relationship between two normally distributed interval variables.

• TRUE

• FALSE

Analysis of variance is commonly known as ANOVA.

• TRUE

• FALSE

A low standard deviation signifies that data is spread more widely from the mean.

• TRUE

• FALSE

In order to know the statistical tool to be used,a descriptive analysis of variables is needed.

• TRUE

• FALSE

The researcher aim to measure the average number of sleep of the respondents, which statistical tool is more appropriate?

• Mean

• Regression

• Correlation

• Standard Deviation

Which is used when you have a categorical independent variable (with two or more categories) and a normally distributed interval dependent variable and you wish to test for differences in the means of the dependent variable broken down by the levels of the independent variable?

• Correlation

• One-way ANOVA

• One sample t-test

• Regression

A researcher would like to assess the trend over time, which statistical tool should be used?

• Correlation

• One-way ANOVA

• One sample t-test

• Regression

A researcher would like to compare means of two normally distributed interval variables, which statistical tool should be used?

• Correlation

• One-way ANOVA

• One sample t-test

• Regression

Which statistical tool is used to quickly determine dispersion of data points?

• Standard deviation

• One-way ANOVA

• One sample t-test

• Regression