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ALG1: 10-3 Data Distributions
Con il contributo di: Maynard

A study was conducted to determine the effectiveness of a speed limit sign.

The speeds of cars at the 65 mph sign were:

60  70  65  70  74  58  71  88  65  85

Which box-and-whisker plot correctly displays the information?

A

B
C
D

Mr. Andrews made a box-and-whisker graph of the quiz grades in his

chemistry class.  Which is the median quiz grade for the class?

70
86
77
58

Which set of five numbers satisfy the following statement?

The mean is 5, the median is 4, and the mode is 4.

 

3, 4, 4, 6, 9

4, 2, 4, 4, 8
2, 3, 8, 7, 4
4, 3, 6, 4, 8
Find the lower quartile for the quiz scores
3
13
17
12

Mr. Andrews made a box-and-whisker graph of the quiz grades in his

chemistry class.  Which is the range of quiz grades for the class?

38
96
58
16
Which of the following statements is FALSE about the box-and-whiskerplot shown below.  The graph shows the weights of small dogs recentlybrought into the vet clinic.
The smallest dog was 2 pounds.
The average weight of a dog was about    11.5 pounds.
The range of the weight of the dogs was    21 pounds.
One-quarter of the dogs weighed over 
   14.5 pounds.
minimum

maximum
Which value is arrow A pointing to on the 
box-and-whisker plot?
A
D
lower quartile
upper quartile
B
E
median
mean
C
minimum

maximum
Which value is arrow B pointing to on the box-and-whisker plot?
A
D
lower quartile
upper quartile
B
E
median
mean
C
minimum

maximum
Which value is arrow C pointing to on the box-and-whisker plot?
A
D
lower quartile
upper quartile
B
E
median
mean
C
minimum

maximum
Which value is arrow D pointing to on the box-and-whisker plot?
A
D
lower quartile
upper quartile
B
E
median
mean
C
minimum

maximum
Which value is arrow E pointing to on the box-and-whisker plot?
A
D
lower quartile
upper quartile
B
E
median
mean
C
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