Statistics and Computer Quiz

What is the primary focus of statistics?

• Developing educational curricula

• Creating visual presentations

• Analyzing and interpreting numerical data

• Collecting qualitative data

Which type of statistics is used to summarize and describe data sets?

• Non-parametric Statistics

• Inferential Statistics

• Descriptive Statistics

• Parametric Statistics

What does the mean represent in a data set?

• The range of the scores

• The most frequently occurring score

• The middle score that divides the data

• The arithmetic average of all scores

Which measure of central tendency is least affected by extreme scores?

• Standard Deviation

• Mean

• Median

• Mode

What is the range in statistics?

• The most frequently occurring score

• The middle score of the data

• The average of the scores

• The difference between the highest and lowest scores

What does a z-score indicate?

• The average score in a distribution

• The total number of scores in a data set

• The highest score in a distribution

• The number of standard deviations a score is from the mean

Which statistical tool is used to compare different types of data?

• Quartile Deviation

• Standard Deviation

• Stanines

• Mean

What does the Pearson correlation coefficient measure?

• The average of a data set

• The relationship between two variables

• The frequency of scores

• The variability of scores

Which software is mentioned for statistical computations?

• Python

• R

• MATLAB

• SPSS

What is the purpose of using standard scores?

• To provide a student's relative position in a group

• To calculate the total score of a test

• To determine the highest score in a distribution

• To summarize qualitative data