Which data set represents the histogram?
A
{66, 66, 71, 78, 77, 53, 69, 68, 70, 60, 59, 55, 75, 82, 77, 53]
B
{66, 66, 71, 78, 57, 53, 69, 68, 70, 60, 59, 55, 75, 82, 77, 53}
{66, 66, 71, 78, 57, 53, 69, 68, 70, 60, 59, 75, 75, 82, 77, 53}
ㅔ×
D
{66, 66, 71, 58, 57, 53, 69, 68, 70, 60, 59, 55, 75, 82, 77, 53}
1* E
{76, 66, 71, 78, 57, 53, 69, 68, 70, 60, 59, 55, 75, 82, 77, 53]
A
72, 80, 74, 68, 65, 66, 72, 74, 65, 80, 74
Michale got these scores the last time he played golf. According to the data shown, what is the mode of his scores?
Responses
A 71
B 73
C 72
D 74
E 66
F 80
D
Claire wrote down the number of centimeters that each plant in her science experiment grew last week as shown. Which dot plot could Claire use to show the data?
3, 3, 1, 4, 6, 3, 2, 2, 5, 6, 3, 4, 5, 0, 3, 5, 1, 2, 4, 4, 4
Answer:
```
0 | x
1 | x x
2 | x x x
3 | xxxxxx
4 | xxxx
5 | xxxxx
6 | xx
------
9 6
```
The dot plot is as shown above.
Which question is a statistical question?
Responses
A If I wanted to buy a car with the lowest insurance rate which one would it be?If I wanted to buy a car with the lowest insurance rate which one would it be?
B Does my father like a Mazda more than a Lexus?Does my father like a Mazda more than a Lexus?
C What type of car do the seniors in the local high school prefer to drive?What type of car do the seniors in the local high school prefer to drive?
D What is my brother's favorite type of car to drive?
C
Which question is a statistical question?
Responses
A How old am I?How old am I?
B How old is my cat?How old is my cat?
C How old are the students in my school?How old are the students in my school?
D How old is my neighbor?
C
Average Daily Temperature in August
State High, Degrees F Low, Degrees F
Alabama 82 56
Arkansas 80 55
Florida 87 65
Georgia 88 64
Kentucky 78 55
Alaska 72 44
Michigan 81 54
Tennessee 79 55
Hawaii 84 68
Using the table, find the RANGE of the average low temperatures for the states listed in the chart.
Responses
A 2424
B 112112
C 1414
D 8181
Skip to navigation
C
To find the range of average low temperatures, we need to subtract the lowest low temperature from the highest low temperature. The lowest low temperature is 44 degrees F in Alaska, and the highest low temperature is 68 degrees F in Hawaii.
So the range of the average low temperatures is:
68 degrees F - 44 degrees F = 24 degrees F
Therefore, the answer is C, 14.
The data below shows how many ounces of water Carly drank over a three-month period. Which of the following histograms accurately represents this data?
Water in ounces 0-16 17-33 34-50 51-67 68+
Number of days 3 21 32 30 5
Answer:
```
|
5 -|-
4 -|-
3 -|- x
2 -|-xxxxxxxxx
1 -|xxxxxxxxxxx
0 ------------------
0 1 2 3 4 5
```
The correct histogram is C, because 0-16 contains three days, 17-33 contains 21 days, 34-50 contains 32 days, 51-67 contains 30 days, and 68+ contains 5 days.
72, 80, 74, 68, 65, 66, 72, 70, 68, 80, 74
Sara's recent golf scores are shown.
From the data shown what is the median of her scores?
Responses
A 7171
B 8585
C 8080
D 7272
E 6565
F 66
The data set in order is:
65, 66, 68, 68, 70, 72, 72, 74, 74, 80, 80
To find the median, we need to find the middle number. Since we have an even number of values, the middle is the average of the two middle values, which are 72 and 74:
Median = (72 + 74) / 2 = 73
Therefore, the answer is not one of the given options.
72, 80, 74, 68, 65, 66, 72, 70, 68, 80, 74
Sara's recent golf scores are shown.
From the data shown what is the median of her scores?
Responses
A 71
B 85
C 80
D 72
E 65
F 66
D
Temperature
Temperature
(°F) 50 42 31 62 51 55 45
Once a day for seven days, Melanie recorded the temperature (in °F) of a stream near her home. Which box plot correctly shows Melanie’s data?
Answer:
```
| x
0 -|-
------
| xx
15 -|- xx
------
| x
30 -|-
------
| xxx
45 -|-
------
| xx
60 -|- x
------
|
```
The correct box plot is B.
The minimum value is 31, which is shown as the lower whisker.
The maximum value is 62, which is shown as the upper whisker.
The median is about 50, which is shown as the vertical line inside the box.
The box goes from about 45 to about 55, which covers the quartiles Q1 and Q3.
The individual data points are shown as the x's.
Find the mean of these numbers.
12, 9, 11, 8, 9, 12, 9
Responses
A 8
B 9
C 10
D 12
B.
To find the mean, we need to sum up all the numbers and divide by the total number of numbers:
(12 + 9 + 11 + 8 + 9 + 12 + 9) / 7 = 10
Therefore, the answer is C, 10.
72, 80, 74, 68, 65, 66, 72, 70, 65, 80, 75
Jennifer's recent golf scores are shown. What is her mean score, rounded to the nearest tenth?
Responses
A 65.5
B 71.5
C 85
D 72
E 71
The mean score is the sum of all the scores divided by the number of scores. So, we add up all the scores:
72 + 80 + 74 + 68 + 65 + 66 + 72 + 70 + 65 + 80 + 75 = 747
There are 11 scores, so we divide by 11:
747 / 11 = 67.9 (rounded to the nearest tenth)
Therefore, the answer is not one of the given options. The closest option is E, 71.
solve:
-12 - (-10)
*
1 point
-22
2
-2
22
-12 - (-10) can be simplified as:
-12 + 10 = -2
Therefore, the answer is C, -2.
Solve:
7 + -16
*
1 point
23
-23
9
-9
7 + (-16) can be simplified as:
7 - 16 = -9
Therefore, the answer is D, -9.
solve:
-9 x -10
*
1 point
90
-90
-1
-19
-9 x -10 can be simplified as:
-9 x (-10) = 90
Therefore, the answer is A, 90.
solve:
8 ÷ -1
*
1 point
7
-7
8
-8
8 ÷ -1 can be simplified as:
8 ÷ (-1) = -8
Therefore, the answer is D, -8.
Select all three true statements
*
1 point
-4.5 = |-4.5|
86 = |86|
|-10 2/3|= 10 2/3
-|1/3| = 1/3
|-57| = 57
The three true statements are:
- |-57| = 57
- 86 = |86|
- -|1/3| = -1/3
Order the numbers from closest to zero to farthest from zero:
4.38 , |4.5| , |-4.6| , -|4.9|
*
1 point
-|4.9| , 4.38 , |4.5| , |-4.6|
|4.5| , |-4.6| , -|4.9| , 4.38
4.38 , -|4.9| , |4.5| , |-4.6|
4.38 , |4.5| , |-4.6| , -|4.9|
4.38 , |4.5| , |-4.6| , -|4.9|
Which of the following expressions is equivalent to
*
2 x 2/7
3 x 2/7
2/7 x 2/7
2/7 x 2/7 x 2/7
2 x 2/7 is equivalent to:
(2 * 7 + 2) / 7 = 16/7
Therefore, none of the given expressions is equivalent to 2 x 2/7.
Which of the following expressions is equivalent to
*
2 x 2/7
3 x 2/7
2/7 x 2/7
2/7 x 2/7 x 2/7
None of the given expressions is equivalent to 2 x 2/7.
Which of the following expressions is equivalent to
*
(2/7)3
2 x 2/7
3 x 2/7
2/7 x 2/7
2/7 x 2/7 x 2/7
(2/7)3 means "2/7" multiplied by itself 3 times:
(2/7)3 = (2/7) x (2/7) x (2/7) = 8/343
Therefore, the answer is D, 2/7 x 2/7 x 2/7.
5^3 is bigger than 3^5
*
true or false
False.
We can see this by calculating:
5^3 = 125
3^5 = 243
Since 243 is greater than 125, we can say that 3^5 is larger than 5^3.
Therefore, the answer is False.
Compare the integers -2 and -10 on a horizontal number line. Which integer is to the right of the other?
*
1 point
-2
-10