Question

**A salesperson records the number of sales she makes each
month. The results are below.**

**51,17,25,39,7,49,62,41,20,6,43,13**

**(a) Find the five-number summary.**

**(b) Construct a box plot.**

**(c) Find the interquartile range**

Answer #1

Question 1. The number of customers that bought a cup of coffee
from a street coffee shop in a particular morning over a
seven-day-period is as follows: 1 7 9 6 3 5 6 a. Find the mean,
median and mode.
b. Estimate the values of the 1st and 3rd quartiles and
determine the interquartile range.
c. Construct a box plot (note: make sure you indicate 5-number
summary on the box plot).
d. On the basis of your results above,...

If a salesperson has gross sales of over $600,000 in a year,
then he or she is eligible to play the company's bonus game: A
black box contains 2 one-dollar bills, 1 five-dollar bill and 1
twenty-dollar bill. Bills are drawn out of the box one at a time
without replacement until a twenty-dollar bill is drawn. Then the
game stops. The salesperson's bonus is 1,000 times the value of
the bills drawn. Complete parts (A) through (C) below.
(A)...

A data set lists the number of olives on each pizza ordered in
the last few hours at a pizza shop. For this data set, the minimum
is 4, the median is 16, the third quartile is 19, the interquartile
range is 4, and the maximum is 20. Construct a box-and-whisker plot
that shows the number of olives.

The sales for each of
200
salespeople were recorded one month.
Then some of the salespeople took a sales training seminar and the
rest did not.
The next month's results are reported in the following two-way
frequency table.
No increase
Increased sales
No Seminar
25
35
Seminar
63
77
A salesperson is chosen at random from this group.
Complete the following. Write your answers as decimals.
(a)Find the probability that the salesperson increased
sales.
=P(increased sales)
(b)Find the probability that...

In the year 2023, Gabriella Rodriguez is a leading midwife.
Gabriella is researching the number of babies delivered each week
and develops the following stem-and-leaf.
2 | 0122334455789
3 | 128
4 | 8
a) What is the range?
b) What is the mean?
c) Construct a 5 number summary box-and-whisker
plot (label the values on your plot). What type of shape is the
data (symmetric, positively skewed or negatively skewed)? Describe
why based on the box-and-whisker plot?

Each month, the owner of a restaurant records y=monthly sales
receipts and x=amount spent that month on advertising, both in
thousands of dollars. For the first four months of operation, the
observations are as shown in the table.
Advertising Sales
0 4
1 7
3 9
5 11
a.Find the mean and standard deviation for each variable.
b.Find the values for a and b in the regression line.
c. Find the correlation coefficient. Interpret the relationship
between two variables using...

Provided below is a simple data set for you to practice finding
descriptive measures. For the data set, complete parts (a)
through (c).
0, 2, 4, 5, 6, 0, 2, 4, 5, 6
a.
Obtain the quartiles.
Q1
=
Q2
=
Q3
=
(Type integers or decimals. Do not round.)
b.
Determine the interquartile range.The interquartile range is
"?"
(Type an integer or a decimal. Do not round.)
c.
Find the five-number summary.
(Type integers or decimals....

The number of vehicles passing through a bank drive-up line
during each 15 minutes was recorded. The results are shown
below.
28
30 28 31 31
28
33 30 38 34
34
32 27 34 28
23
18 30 30 30
a. Compute the sample mean, median, and the mode for the data on
distances driven.
b. Determine the range, variance, and standard
deviation.
c. Find the first and the third quartiles.
State the interquartile range.

The accompanying data are the number of wins and the earned run
averages (mean number of earned runs allowed per nine innings
pitched) for
eight
baseball pitchers in a recent season. Find the equation of the
regression line. Then construct a scatter plot of the data and draw
the regression line. Then use the regression equation to predict
the value of y for each of the givenx-values, if meaningful. If
the x-value is not meaningful to predict the value of...

Ten salespeople were surveyed and the average number of client
contacts per month, x, and the sales volume, y (in thousands), were
recorded for each: X 40 42
44 40 41 46
50 48 50 55 Y
50 55 42 45
30 80 90 95
110 130
a) Find the correlation coefficient r.
b) Find the regression equation
c) Construct the scatter plot and graph the
regression equation.

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