Natasha Awada, Paul La Rondie, Laurie Buchanan and, Jill Stevens Solutions for Chapter: Representing Data: Statistics for Univariate Data, Exercise 28: Exercise 6F

Lincy records the number of sit-ups she does each day over a period of $16$ days. These are her results:

$12,25,16,37,10,25,30,14,16,50,45,2,20,28,10,40$

Complete the following sentences. On $8$ of the $16$ days, Lincy did more than _____ sit-ups.

Lincy records the number of sit-ups she does each day over a period of $16$ days. These are her results:

$12,25,16,37,10,25,30,14,16,50,45,2,20,28,10,40$.

Complete the following sentence.

On $4$ of the $16$ days, Lincy did more than _____ sit-ups.

The number of cars passing a school was recorded every hour for $10$ hours. The results were:
$20,20,35,45,50,35,35,45,25,30,35$

Find the interquartile range.

This table shows the number of passengers in each of $16$ cars.

 Find the interquartile range.

The data is listed in ascending order: $5,6,7,7,9,9, r,10,s,13,13,t$. The median of the data is $9.5$. The upper quartile $Q_3$ is $13$. Find the value of $r$?

The data is listed in ascending order: $5,6,7,7,9,9, r,10,s,13,13,t$. The median of the data is $9.5$. The upper quartile $Q_3$ is $13$. Find the value of $s$?

The data below is listed in ascending order: $5,6,7,7,9,9,10,10,13,13,13,t$

The mean of the data is $10$. Find the value of $t$.

Draw a box-and-whisker plot for this data: