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- 1. Multiple Choice
Which box and whisker plot has the smallest lower quartile (Q1)?Top plotBottom plot - 2. Multiple ChoiceWhich plot has a larger interquartile range?Top plotBottom plot
- 3. Multiple ChoiceHow many baseballs were thrown 50 or more feet?54138
- 4. Multiple Choice2. Which of the following best describes the process of finding the interquartile range for a set of data?Add the biggest and smallest numbers.Place the numbers in order from least to greatest and find the middle.Find the difference between the maximum and the minimum.Subtract Q1 from Q3.
- 5. Multiple Choice
What is the median score?
62
71
92
81
- 6. Multiple ChoiceThe dot plots compare the number of raffle tickets sold by boys and girls during a school fund-raiser. Which plot has an outlier?GirlsBoysBoth PlotsNeither
- 7. Multiple ChoiceWhat is the difference between the medians for the two data sets?0 tickets2 tickets4 tickets6 tickets
- 8. Multiple ChoiceCompare the centers and spreads.Math has a higher median (center) and a wider spread.Math has a higher median (center) and a smaller spread.Math has a lower median (center) and a smaller spread.Math has a lower median (center) and a wider spread.
- 9. Multiple ChoiceWhat is the range in gas mileage for cars?2346
- 10. Multiple ChoiceIs the Cars dot plot skewed left or right?leftright
- 11. Multiple Choice
Which car club has the higher median?
Cruisers
Car Hops
Neither, they are the same
- 12. Multiple Choice
Mary is recording her plant's growth in a journal. How many inches has the plant grown from week 1 to 7?
22
18
14
- 13. Multiple ChoiceThere are 200 vegetable plants in a garden. How many of the vegetable plants are green beans?16242832
- 14. Multiple Choice
Which of these statements best describes a biased sample?
It is very small.
It is not randomly chosen.
It results in incorrect predictions.
It does not accurately represent the population.
- 15. Multiple Choice
Biased or Random?
Audi wants to find out how students get to school at Churchill so she places the names of all students into a fish bowl and pulls out 50 so she can survey them.
Biased sample
Random sample
- 16. Multiple Choice
Determine if the question is random or biased. When it comes to pets, do you prefer dogs?
biased question
random question
- 17. Multiple Choice
Marsha wants to find out how other students at her school get to school each day. Which of the following groups, if surveyed, would give her the most accurate sample of the student body?
her homeroom class
the students on her bus
students waiting in the carpool area
members of the cycling club
- 18. Multiple Choice
Jeanette wants to determine the most popular car in town. Which plan would give Jeanette the most accurate results?
Conduct a sample survey of the cars in her schools’ parking lot at 1:30 on a school day.
Conduct a random telephone survey of people who live in her state.
Conduct a sample survey of the cars that are advertised in the local newspaper.
Conduct a random survey of people entering a large grocery store in her town.
- 19. Multiple Choice
A researcher asked five of his doctor friends if they thought the new Brand X medicine that he developed was effective. Four responded "yes." The researcher used the results to write a TV advertisement claiming that "4 out of 5 doctors prefer Brand X medicine." Is this a valid inference? Explain.
No, because the doctors asked are not a representative sample of the population of doctors.
No, because 4 doctors said yes out of 9 who were asked.
Yes, because the doctors asked are a representative sample of the population of doctors.
Yes, because 4 doctors said yes out of the 5 who were asked.
- 20. Multiple Choice
Which size random sample is likely to provide the most trustworthy results?
5
10
30
There is no difference.
- 21. Multiple ChoiceCan there be more than one mode?YesNo
- 22. Multiple Choice
What is the definition of mode?
# happening the most
the average
the difference between the largest and smallest values in the data set
the middle #
- 23. Multiple ChoiceFind the mean of the following numbers 40, 38, 46, 38, 51 and 57.45403835
- 24. Multiple Choice
Find the median of the following numbers 40, 38, 46, 38, 51 and 57.
42
38
43
46
- 25. Multiple Choice
Find the mode of the following numbers 40, 38, 46, 38, 51 and 57.
no mode
51
40
38
- 26. Multiple Choice
Find the range of the following numbers 40, 38, 46, 38, 51 and 57.
21
19
17
13
- 27. Multiple Choice
What is the difference between the ranges for the data below?
60 pounds
120 pounds
220 pounds
280 pounds
- 28. Multiple Choice
What is the difference between the median values of the data?
6 people
3 people
1.8 people
1.5 people
- 29. Multiple Choice
A
B
C
D
- Answer choicesTagsAnswer choicesTags