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Question 11 4 Points What is the midpoint of the class 25-35 ? 35.5 27.5 25 30 Question 12 4 Points Given the following frequency
- Question 11
- 4 Points
- What is the midpoint of the class 25-35 ?
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- 35.5
- 27.5
- 25
- 30
- Question 12
- 4 Points
- Given the following frequency distribution, how many pieces of data were less than 23.5?
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- 12
- 25
- 40
- 13
- Question 13
- 4 Points
- If a data set showing types of pizza ordered at a particular restaurant indicates 22 out of 88 orders were for pepperoni pizza, how many degrees would be needed to represent pepperoni pizza in a pie chart?
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- 150
- 120
- 90
- 112.5
- Question 14
- 4 Points
- A store manager counts the number of customers who make a purchase in his store each day. The data are as follows.
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- 10 11 8 14 7 10 10 11 8 7
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- Which of these choices display the correct dotplot?
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- Question 15
- 4 Points
- What is the upper class limit in the class 11- 36 ?
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- 21
- 23.5
- 36
- 16
- Question 16
- 4 Points
- The frequency distribution below summarizes employee years of service for Alpha Corporation. Determine the width of each class.
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- 10 years
- 4 years
- 6 years
- 5 years
- Question 17
- 4 Points
- Identify which sampling technique was used in the following study:
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- The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag.
- stratified sampling
- random sampling
- cluster sampling
- convenience sampling
- Question 18
- 4 Points
- Identify which sampling technique was used in the following study:
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- A pollster uses a computer to generate 500 random numbers, then interviews the voters corresponding to those numbers.
- convenience sampling
- random sampling
- systematic sampling
- stratified sampling
- Question 19
- 4 Points
- Find the 3 quartiels in the following data set: 888994979810099
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- Q1= 88;Q2=97;Q3= 98
- Q1= 89.5;Q2=97.5;Q3= 99.5
- Q1= 87;Q2=97;Q3= 100
- Q1= 89;Q2=97;Q3= 99
- Question 20
- 4 Points
- In a recent study, the following responses were obtained to the question, "Do you favor recycling in your neighborhood?"
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- If a response is picked at random, what is the probability that it came from a male or that it indicated no opinion regarding recycling?
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