Q3 STATISTICS 7 REVIEW QUIZ

Which of the following is NOT a measure of central tendency?

• Mean

• Median

• Mode

• Range

It refers to any measure indicating the center of a set of data, arranged in an increasing or decreasing order of magnitude.

• Median

• Dispersion

• Skewness

• Symmetry

In a frequency distribution, what does the symbol f represent?

• The class interval

• The frequency of the class

• The midpoint of the class

• The cumulative frequency

It is the centermost observation that divides the data into halves.

 

• Deviation  

• Median

• Mode

• Range

The sum of values divided by their number is known as ___.

• Critical Value

• Mean

• Median

• Variance

In a grouped data, in what class can the median be found?

• Mean Class 

• Median Class

• Modal Class

• Range

What does the term 'class boundary' refer to in grouped data?

• The midpoint of a class interval    

• The frequency of a class interval  

• The upper and lower limits of a class interval

• The cumulative frequency of a class interval

What is the mean of a data set?

• The value that appears most frequently

• The middle value when the data set is ordered

• The sum of all data points divided by the number of data points

• The difference between the highest and lowest values

What is the median of a data set?

• The value that appears most frequently

• The middle value when the data set is ordered

• The sum of all data points divided by the number of data points

• The difference between the highest and lowest values

Which of the following steps is necessary to find the mean of grouped data?

• Identify the mode of the data set

• Calculate the cumulative frequency

• Multiply the midpoints of each class interval by their respective frequencies

• Find the range of the data set