Question

MATH225 Statistical Reasoning for the Health Sciences

Week 2 Assignment Line and Bar Graphs

Question The accounting manager encourages accountants to
check their work at least two times to ensure there are no
calculation errors. According to the data above, should the
accounting manager be concerned about errors made in the work
conducted at the office?

No, the accounting manager should not be concerned because
everyone in the office is checking their work at least two times.

No, the accounting manager should not be concerned
because everyone in the office is checking their work at least
three times.

Yes, the accounting manager should be concerned because
no one in the office is checking their work.

Yes, the accounting manager should be concerned because
a majority of employees are not checking their work.

Question An accounting manager is conducting research on how
many times each accountant in the office checks their work. The
following table shows the number of times each accountant checks
their work.

Check Work

Frequency

None

6

Once

3

Twice

2

Three times

0

Four times

0

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Create the corresponding bar graph to represent this data
below. Drag the dots on the top of the bar graph to create the
chart.

Question Marc is keeping track of the total number of movies
he has watched over time. The line graph below shows the data where
the number of movies corresponds to the number of movies that had
been watched at the beginning of the week shown on the horizontal
axis.

A line graph titled Movies Watched Over Time has a
horizontal x-axis, labeled Weeks, from 0 to 5 in increments of 1
and a vertical y-axis, labeled Movies, from 0 to 8 in increments of
2. The graph consists of six plotted points connected by line
segments from left to right. The coordinates of the plotted points
are at left-parenthesis 0 comma 0 right-parenthesis,
left-parenthesis 1 comma 2 right-parenthesis, left-parenthesis 2
comma 6 right-parenthesis, left-parenthesis 3 comma 7
right-parenthesis, left-parenthesis 4 comma 8 right-parenthesis,
and left-parenthesis 5 comma 9 right-parenthesis.

How many movies did Marc watch between the beginning of week
1 and the beginning of week 5? Do not include the unit in your
answer.

Question Alice is keeping track of the total number of books
she has read over time. The line graph below shows the data.

A line graph titled Books Read Over Time has a
horizontal x-axis, labeled Months, from 0 to 5 in increments of 1
and a vertical y-axis, labeled Books, from 0 to 10 in increments of
2. The graph consists of six plotted points connected by line
segments from left to right. The coordinates of the plotted points
are at left-parenthesis 0 comma 1 right-parenthesis,
left-parenthesis 1 comma 3 right-parenthesis, left-parenthesis 2
comma 4 right-parenthesis, left-parenthesis 3 comma 6
right-parenthesis, left-parenthesis 4 comma 8 right-parenthesis,
and left-parenthesis 5 comma 10 right-parenthesis.

How many books did Alice read from month 2 to 3? Do not
include the unit in your answer.

Question The bar graph below shows the number of men and
women in different classes.

A side-by-side bar graph has a horizontal axis labeled
Classes with groups Chemistry and Law and a vertical axis labeled
Students from 0 to 14 in increments of 2. There are two vertical
bars over each horizontal axis label, with the bar on the left
representing men and the bar on the right representing women. The
heights of the bars are as follows, with the horizontal axis label
listed first and the bar heights listed second from left to right:
Chemistry, 14 and 11; and Law, 12 and 13.

How many total students are in the Chemistry class? Do not
include the units in your answer.

Question Porter is keeping track of the total number of books
he has read over time. The line graph below shows the data.

A line graph titled Books Read Over Time has a
horizontal x-axis labeled Months from 0 to 5 in increments of 1 and
a vertical y-axis labeled Books from 0 to 10 plus in increments of
2. The graph consists of six plotted points connected by line
segments from left to right. The coordinates of the plotted points
are left-parenthesis 0 comma 0 right-parenthesis, left-parenthesis
1 comma 2 right-parenthesis, left-parenthesis 2 comma 4
right-parenthesis, left-parenthesis 3 comma 7 right-parenthesis,
left-parenthesis 4 comma 9 right-parenthesis, and left-parenthesis
5 comma 11 right-parenthesis.

How many books did Porter read from month 2 to 5? Do not
include the unit in your answer.

Question The bar graph below shows the number of men and
women in different classes.

A side-by-side bar graph has a horizontal axis labeled
Classes with the groups English, Biology, and Computer Science and
a vertical axis labeled Students from 0 to 18 in increments of 2.
Two vertical bars are above each of the horizontal axis labels,
where the left bar represents men and the right bar represents
women. The heights of the bars are as follows, where the Class is
listed first, and the heights of the bars are listed next from left
to right: English, 14 and 12; Biology, 17 and 15; and Computer
Science, 12 and 17.

How many total students are in the computer science class? Do
not include the units in your answer.

Question Gail is a car salesperson, who keeps track of her
sales over time. The line graph below shows the data for the number
of cars she sells per week.

A line graph titled Cars Sold Over Time has a horizontal
x-axis labeled Weeks from 0 to 6 in increments of 1 and a vertical
y-axis labeled Cars Sold from 0 to 16 in increments of 2. The graph
consists of seven plotted points connected by line segments from
left to right. The coordinates of the plotted points are as
follows: left-parenthesis 0 comma 5 right-parenthesis;
left-parenthesis 1 comma 6 right-parenthesis; left-parenthesis 2
comma 16 right-parenthesis; left-parenthesis 3 comma 3
right-parenthesis; left-parenthesis 4 comma 9 right-parenthesis;
left-parenthesis 5 comma 8 right-parenthesis; and left-parenthesis
6 comma 4 right-parenthesis.

At what week were her sales 8? Do not include the unit in
your answer.

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