TEST 2: Frequency table (grouped data)

TEST 2: Frequency table (grouped data) | Quizalize

15 questions

She recorded the number of parcels posted on each of 16 days. Here are her results. 2 2 5 3 2 4 2 2 3 6 4 6 2 2 3 3 .Work out the range.

60 sec

Copy and complete the grouped frequency table and determine the row (A,B,C,D or E) with the modal class.

120 sec

Darren did 27 star jumps. Which class contains his result?

60 sec

Determine the row (A,B,C,D or E) with the median class.

120 sec

Calculate the mean. Correct answer to one decimal place

120 sec

What is the median class?

120 sec

The data shows the ages of 20 workers in an office. 23, 35, 21, 20, 28, 32, 19, 39, 20, 18, 37, 29, 19, 25, 34, 26, 24, 31, 22, 30. Make a tally chart with classes for 16-20, 21-25, 26-30, 31-35 and 36-40. Write down the mean. Correct answer to 1 d.p.

300 sec

The data shows the marks given to a class of mathematics students in a test. 34, 12, 45, 23, 12, 18, 26, 41, 48, 23, 47, 11, 7, 15, 31, 28, 6, 21-3043, 27, 38, 32, 21, 29, 45, 15, 9, 20, 37, 43, 27, 30, 17, 14, 26, 34, 24, 18, 16, 35, 32, 27, 14, 30, 22, 31, 40, 17, 24, 37, 13 Write down the modal class.

300 sec

A physics test is marked out of 60. Here are the marks for the 25 students: 26,11,21,35,44,23,37,16,42,11,47,59,45,16,13,18,19,25,15,32,54,8,38,42,53. What percentage of the class scored above 40 marks?

300 sec

Mr Smith asks his form group who they would like to select as their form captain. Every member of the form group votes and the results are as follows: Gemma Abigail Gemma Gemma Abigail Gemma Dawn Abigail Sophie Gemma Dawn Sophie Gemma Elizabeth Sophie Abigail Leanne Tanya Dawn Gemma Sophie Dawn Leanne Dawn Elizabeth Sophie Dawn Leanne Tanya Gemma Elizabeth Elizabeth. What fraction of the class did not vote for Gemma?

300 sec

A volunteer lost part of the results of a survey that showed the time, t, people planned to spend at the gym, one day. The volunteer knows that the number of people who spent more than 30 minutes was 84. Complete the table, with this information.

120 sec

In a biology class, students recorded heights of plants, after caring for them over a 2 month period. Two plant heights were not recorded; both were the same height. If they had been added, their category would become the second most common. Which category ( A,B,C,D or E) did the two plants belong to?

300 sec

This table shows the masses of children in a year 9 class at school.Find the mean.

300 sec

The following table represents the distribution of the annual number of days over 100 degrees Fahrenheit for Dallas-Fort Worth for a sample of 80 years from 1905 to 2004. Calculate the median.

300 sec

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