Selecting Statistics

Selecting Statistics

Mean, Mode, Median and Range

The height (in cm) of ten Grade 8 students are given below.

• 159, 162, 165, 165, 166, 167, 168, 169, 170, 185, 185

• Choose a statistical calculation which describes the heights of these students.

Multiple Choice

What is the mean of the data 159, 162, 165, 166, 167, 168, 169, 170, 185, 185

• 169.6

• 167.5

• 185

• 26

Fill in the Blanks

The data in order of size is 159, 162, 165, 166, 167, 168, 169, 170, 185, 185. The median of the set is

Open Ended

The mode of the set 159, 162, 165, 166, 167, 168, 169, 170, 185, 185 is ?

Multiple Choice

The range of the set 159, 162, 165, 166, 167, 168, 169, 170, 185, 185

• 159

• 26

• 185

Which statistical calculation best describes the heights of these students

• Mean

• Median

• Mode or 

• Range 

In each of the following questions choose the most appropriate calculation to use

Mean, Mode, Median or Range

Multiple Select

The masses in grams of 15 similar packets of biscuits are given 199, 200, 200, 200, 200, 200, 200, 200, 200, 200, 200, 201, 202, 203, 203. What is the average mass of a packet of biscuit?

• Mean

• Mode

• Median

• Range

Multiple Choice

A pole vaulter recorded his heighest jump (in metres)in each of his last nine competitions. Which are 3.23, 4.24, 4.24,5.33, 5.34, 5.35, 5.36, 5.37, 5.38. How high can the pole vaulter can jump on average?

• Mean

• Median

• Mode

• Range

Multiple Select

The times taken (in seconds) for ten runners to complete a 400m race are given 55, 58, 51, 82, 61, 63, 62, 59, 54, 60. What time best describes the average time of the ten athletes?

• Mean

• Mode

• Median

• Range

Poll

How was the lesson?

• Everything clear

• 50 - 50

• I need extra help!