The range 12.5−14.5 has the lowest bar in the histogram, which means that this
range of values also has the lowest frequency. Therefore, 1 visitor
... [Show More] caught a rainbow
trout that weighed greater than 12.5 but less than 14.5 pounds.
QUESTION 24
1/1 POINTS
Describe the shape of the given histogram.
A histogram has a horizontal axis from 0 to 16 in increments of 2 and a vertical axis
labeled Frequency from 0 to 10 in increments of 2. The histogram contains vertical bars
of width 1 starting at the horizontal axis value 0. The heights of the bars are as follows,
where the left horizontal axis label is listed first and the frequency is listed second: 0, 0;
1, 0; 2, 6; 3, 6; 4, 7; 5, 6; 6, 6; 7, 6; 8, 7; 9, 6; 10, 6; 11, 6; 12, 6; 13, 7; 14, 0; 15, 0.
That is correct!
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
bimodal
Answer Explanation
Correct answer:
uniform
All the bars in a uniform histogram are about the same height.
QUESTION 25
1/1 POINTS
The bar graph below shows the number of boys and girls in different classes.
A bar graph has a horizontal axis labeled Classes and a vertical axis labeled Students
from 0 to 16 in increments of 2. There are two vertical bars above each horizontal axis
label, with the bar on the left representing Boys and the bar on the right representing
Girls. The bars have heights as follows, with the horizontal axis label listed first and the
bar heights listed second from left to right: Mrs. Brown, 10 and 15; Ms. James, 11 and
12.
How many total students are in Ms. James's class? Do not include the units in your
answer.
That is correct!
$$23
Answer Explanation
Correct answers:
$23$23
To find the number of students in Ms. James's class, find the heights of the bars for that
class and add them. In this case, we find it is 11+12=23.
QUESTION 26
0/1 POINTS
The line graph shown below represents the number of TVs in a house by square
footage (in hundreds of feet). According to the information above, which of the following
is an appropriate analysis of square footage and TVs?
A line graph has an x-axis labeled Square Footage (in hundreds of feet) in increments of
one, and a y-axis labeled Number of TV's in increments of one. Beginning at the point
start parentheses 6,2 end parentheses, a line increases to the point start parentheses
8.5,3 end parentheses. The line remains constant to the point start parentheses 10,3
end parentheses. The line then increases, passing through the point start parentheses
12,5 end parentheses and continues increasing until it reaches the point start
parentheses 16,6 end parentheses.
That's not right.
From the data, the number of TVs doubled from a square footage of 8.5 and 10.
From the data, there is a steady decrease in the square footage and number of TVs.
From the data, there is a steady increase in the square footage and number of TVs.
From the data, when the square footage is between 8.5 and 10, the number of TVs
remains the same.
Answer Explanation
Correct answer:
From the data, when the square footage is between 8.5 and 10, the number of TVs
remains the same.
Given the line graph, at a square footage of 8.5, the number of TVs is 3. At a square
footage of 10, the number of TVs is also 3. Therefore, when the square footage is
between 8.5 and 10, the number of TVs remains the same.
Your answer:
From the data, there is a steady increase in the square footage and number of TVs.
This response is not correct. While most of the line is increasing, the number of TVs
remains the same between a square footage of 8.5 and 10.
QUESTION 27
1/1 POINTS
Alice sells boxes of candy at the baseball game and wants to know the mean number of
boxes she sells. The numbers for the games so far are listed below.
16,14,14,21,15
Find the mean boxes sold.
That is correct!
$$mean=16 boxes
Answer Explanation
Correct answers:
$\text{mean=}16\text{ boxes}$mean=16 boxes
Remember that the mean is the sum of the numbers divided by the number of
numbers. There are 5 numbers in the list. So we find that the mean boxes sold is
QUESTION 28
1/1 POINTS
Given the following list of prices (in thousands of dollars) of randomly selected trucks at
a car dealership, find the median.
20,46,19,14,42,26,33
That is correct!
$$median=26 thousands of dollars
Answer Explanation
Correct answers:
$\text{median=}26\text{ thousands of dollars}$median=26 thousands of dollars
It helps to put the numbers in order.
14,19,20,26,33,42,46
Now, because the list has length 7, which is odd, we know the median number will be
the middle number. In other words, we can count to item 4 in the list, which is 26. So
the median price (in thousands of dollars) of randomly selected trucks at a car
dealership is 26 [Show Less]