The stem plot below displays the distribution of test

The test was out of 65, and students require 50% to pass.  

What percentage of students passed? (Give the numerical answer only, don't enter the % sign)

The histogram is best described as:

The following parallel box plots compare the battery lives of two brands.

Which of the following statements (there may be more than one) support the

I the median battery life for brand A is clearly higher than for brand B

The histogram below displays the test

The number of students is:

Estimate the mean for the data below correct to 1 decimal place:

Calculate the mean for the table below:

A group of 17 people was asked the number of years they have worked for their current employer.  Their responses are summarised in the following stem plot.

What is the interquartile range of the number of years that people have worked for their current employer? Just write the numerical value.

A group of 17 people was asked the number of years they have worked for their current employer.  Their responses are summarised in the following stem plot.

What is the median number of years that people have worked for their current employer? Just write the numerical value.

The following list gives the number of hours spent watching television in a week by a group of students: 15, 3, 25, 29, 10, 11, 0, 33.

The mean and standard deviation are closest to:

The five number summary for the heights (in cm) of the members of a hockey club are:

Minimum: 150

Lower Quartile: 165

Median: 174

Upper Quartile: 180

Maximum: 187

The interquartile range of the distribution of heights is: