This is an open book assignment that must be completed individually. You may refer to any course material available on D2L. Please organize your solutions and show all your work.
statistics
Description
Instructions: This is an open book assignment
that must be completed individually. You may refer to any course material
available on D2L. Please organize your solutions and show all your work. You
can show your work by using the equation editor in WORD, typing out your
calculations, or inserting clear photos of work done on a piece of paper. Keep
all decimal places during intermediate calculations – you may round your final answer
to two decimal places, unless stated otherwise. Don’t forget to provide units
where necessary.
Question #1
A
sample of high school students were asked the following question: how much time
(measured in minutes) do you spend on TikTok per day? The results of the survey
are shown below.
|
0 |
15 |
25 |
30 |
45 |
50 |
50 |
60 |
|
60 |
60 |
60 |
60 |
70 |
80 |
85 |
85 |
|
90 |
100 |
100 |
110 |
115 |
115 |
130 |
145 |
a.
Using the 2k > n rule,
how many classes are required when organizing this information into a frequency
distribution? (2 marks)
b.
Based on your solution in part (a),
what interval size would you recommend? (2 marks)
c.
Based on your solution in part (a) and
(b), organize this information into a frequency distribution, relative
frequency distribution, and cumulative frequency distribution. (6 marks)
