AP Stats Unit 3 Chapter 4
Authored by Anthony Clark
Mathematics
12th Grade
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement about this distribution is NOT correct?
The histogram is right-skewed
The median age is less than 40 years
The mean is greater than the median
The IQR is approximately 60 years
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The mean salary for all employees at store A is $35,000. The mean salary for all employees at store B is $41,000. What must be true for the mean salary of all employees?
It must be $38,000
It must be larger than the median salary
It could be any number between $35,000 and $41,000
It cannot be larger than $40,000
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The dotplots show the average number of minutes two groups of students spent exercising. Which statement is not true?
The median for seniors is the same as the median for freshmen
The standard deviation is larger for seniors than for freshmen.
The IQR for freshmen is 30
The IQR for seniors is 30
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement is true about the amount of money students in this survey spent on homecoming?
A majority of students spent between $40 and $80
The student who spent $100 is an outlier in this group.
The mean amount spent for homecoming is $40.
The distribution is skewed right.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The school district is interested in finding out student and parent opinions about the dress code. They obtain a list of students from each school in the district and put them in alphabetical order. They then send a survey to every 25th student and their parents on the list.
Simple Random Sampling
Stratified Random Sampling
Systematic Sampling
Convenience Sampling
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
E
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Involves dividing the population into subgroups, you randomly select entire subgroups. What sampling technique is this?
Simple Random Sample
Snowball Sample
Cluster Random Sample
Stratified Random Sample
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