Quantitative Data Analysis

Which of the following is a measure of central tendency?

• Standard Deviation

• Variance

• Median

What is the purpose of descriptive statistics?

• To predict future outcomes

• To describe the main features of a dataset

• To test hypotheses

Which statistical test is commonly used in inferential statistics to compare the means of two groups?

• ANOVA

• T-test

• Chi-square

If a dataset has a mode of 7, whichof the following is true?

• The most frequent value in the dataset is 7.

• The average value of the dataset is7.

• There are no values greater than 7in the dataset.

Which of the following tests wouldbe used to determine if there is a significant difference between three or more groups?

• T-test

• ANOVA

• Correlation

Differentiate Descriptive statistics from Inferential statistics and elucidate how these two are beneficial in data analysis.

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