Mean Frequency Distribution AP Stat

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The stem-and-leaf diagram below gives the distribution of the ages in years of 20 participants at a family reunion. Which of the following statements about the distribution is correct?
The first quartile is larger than the third quartile.
The distribution is strongly skewed to the left.
It makes the most sense to use the mean and standard deviation as a numerical summary of the center and spread of this distribution.
The mean is larger than the median.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
E
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
Find the percentage of golfers that are between 30 and 46 years old.
68%
94%
95%
99.7%
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the mean, for the given distribution:
4.2
2.1
4
2
Answer explanation
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the class with the highest relative frequency.
95 - 105
105 - 115
115 - 125
125 - 135
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which Class has the highest frequency?
2.5-3.0
0.5-4.0
2.5-3.5
3.0-3.5
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