WorksheetsUnit 11 Test
Total questions: 50
Worksheet time: 13hrs 30mins
The number found in the middle of the data set when it is listed in order is ____
mean
median
mode
range
You find the range of the data by ____
max minus min
min minus max
max minus upper quartile
lower quartile minus min
the lower quartile is the ___
median
median of the lower half of the data
median of the upper half of the data
mean
the interquartile range is ___
max minus upper quartile
upper quartile minus lower quartile
max minus min
lower quartile minus min
the lower extreme is
max
quartile
median
min
the upper extreme is ___
max
quartile
median
min
Find the mean for the following set of data:
65, 72, 54, 48, 60, 68, 79
round your answer to the nearest whole number
60
62
64
66
Are these dot plots symmetric?
Yes
No
What is the shape of the data?
left skewed
symmetrical
right skewed
How do you calculate the IQR?
Q2 - Q1
Q1 - Q3
Q3 - Q2
Q3 - Q1
What is the IQR of the following data set:
4, 5, 6, 8, 9, 10, 11
5
7
6
There is not enough information
What is the shape of this bar graph?
Skew right
Skew left
Symmetrical
uniform
Describe the shape of Daniel's data
skewed left
skewed right
symmetrical
the mean is less than the median
skewed left
skewed right
symmetrical
mean = median
skewed left
skewed right
symmetrical
What is the standard deviation for the data given:
{5, 10, 7, 12, 0, 20, 15, 22, 8, 2}
6.89
10.1
7.26
9
If test scores for a class are: 100, 100, 90, 90, 80, 80, 70, 70, 60, and 60, what are the mean and sample standard deviation?
mean = 80, stdev = 14.9
mean = 70, stdev = 14.9
mean = 80, stdev = 13.9
mean = 80, stdev = 12.9
mean = 85, stdev = 14.9
A national achievement test is administered annually to 3rd graders. The test has a mean score of 100 and a standard deviation of 15. What percentage of the 3rd grade scores fall between 85 and 115?
99%
95%
34%
68%
What percent of female athletes surveyed play basketball?
16%
52%
23%
31%
How many females were surveyed?
45
73
16
12
What percent of the students surveyed were 10th graders who liked SqaureBob SpongePants?
6%
10%
50%
15%
What was the relative percentage of just 11th graders who liked Rick?
29%
25%
9%
11%
How many people were surveyed? BE CAREFUL AND LOOK AT THE TABLE COMPLETELY.....MAYBE DRAW IT TOO....
52
60
150
77
What percent of all students were females who prefer football?
16%
80%
8%
12%
What percent of males prefer basketball?
22%
155
77%
29%
In the Olympics, the 100m sprint times are normally distributed with a mean of 10.5 seconds and a standard deviation of 0.4 seconds.
Out of 50 competitors, how many sprinters would you expect to record a time between 10.1 and 10.9 seconds?
34%
28%
40%
22%
Which interval shows 99.7% of data given a mean of 15 and a standard deviation of 3?
6 to 24
9 to 21
12 to 18
0 to 30
what color on the table represents the "JOINT"
yellow
green
purple
what color on the table represents "MARGINAL"
yellow
green
purple
