What is Statistics primarily concerned with?

• Studying celestial bodies

• Collecting, analyzing, and interpreting data

• Building machines

• Developing software

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

• Mean

• Median

• Mode

• Range

What does the median represent in a dataset?

• The average of all values

• The most frequently occurring value

• The middle value when data is sorted

• The largest value

Which measure of dispersion indicates the square root of the average squared deviations from the mean?

• Variance

• Standard Deviation

• Range

• Mean Deviation

If the range of a dataset is 25 and the smallest value is 15, what is the largest value?

• 1. 25

• 2. 40
     

• 1. 15

• 1. 10

• The _______ is the value that occurs most frequently in a dataset.

• _______ is the measure of central tendency most affected by extreme values.

• The measure of location that divides the dataset into 100 equal parts is called _______.

• The _______ is the difference between the largest and smallest values in a dataset.

• The _______ quartile is also known as the median.