Applications to Data
Interactive practice questions
A call centre recorded the duration of each phone call an employee made during a day. The results are shown on the following histogram.
Complete the frequency table.
|
Length of calls (minutes) |
Number of calls |
|---|---|
| $1$1 | $\editable{}$ |
| $2$2 | $\editable{}$ |
| $3$3 | $\editable{}$ |
| $4$4 | $\editable{}$ |
| $5$5 | $\editable{}$ |
| $6$6 | $\editable{}$ |
| $7$7 | $\editable{}$ |
| Total: | $\editable{}$ |
What is the total number of minutes spent on phone calls?
What is the probability that a call, chosen at random, has a duration of $7$7 minutes? Give your answer as a percentage correct to two decimal places.
The times from the 800m final at the 2016 Summer Olympics are given in the table:
The salaries of men and women working the same job at the same company are given below:
Junior's Garage conducts a stocktake of all replacement parts in their shop, recording the year of manufacture and quantity of each part.
The results are shown in the following table.