The following table represents the time taken by 35 people to travel to work.
Calculate an estimation for the mean number of minutes people take to travel to work. Round your answer to two decimal places.
The table shows students’ math test scores.
Work out an estimation for the mean of the scores.
The following frequency table represents the time records for 26 racers, to the nearest second.
|Time Records (s)||50–55||55–60||60–65||65–70|
Estimate the median of the data, approximate to the nearest integer.