Question 1 (1 point) What is the range of the following: 19, 43, 45, 65, 11, 17

Round to 2 decimal places as needed.

Your Answer: Question 1 options: Answer Question 2 (1 point) What is the range of the following: 14, 34, 68, 36, 51, 34

Round to 2 decimal places as needed.

Your Answer: Question 2 options: Answer Question 3 (1 point) Gwen is interested in the effect of bananas on the speed and endurance of high school cheerleaders. She recruits 20 cheerleaders from high schools in California. Each cheerleader was asked to run as many laps as they could in 20 minutes on a standard 100M track. Two weeks later the same cheerleaders were asked to run as many laps as they could in 20 minutes, but were asked to eat a banana 10 minutes prior to starting. The number of laps completed (to the nearest quarter lap) was recorded. What is the sample of this study?

Question 3 options:

1)

The 20 cheerleaders measured

2)

All cheerleaders in California

3)

Banana aficionados

4)

All cheerleaders in California who regularly eat bananas

Question 4 (1 point) Horace Horsecollar is interested in the opinion of vacationers at Disney World. He creates a short survey and administers it to every 1000th person to enter the park, starting with the 364th person. What method did Horace use to select his sample?

Question 4 options:

1)

Systematic

2)

Simple Random Sample

3)

Stratified

Question 5 (1 point) Homer Simpson is interested in studying the ratio of the various colors of sprinkles on Lard Lad donuts. To conduct his study, Homer purchases three of each variety of donut they make and counts the sprinkles on them. What method did Homer use to select his sample?

Question 5 options:

1)

Simple Random Sample

2)

Stratified

3)

Systematic

Question 6 (1 point) Compute the mean of 100, 92, 39, 38, 59, 76.

Round to 2 decimal places as needed

Your Answer: Question 6 options: Answer Question 7 (1 point) Compute the mean of 71, 42, 86, 18.

Round to 2 decimal places as needed

Your Answer: Question 7 options: Answer Question 8 (1 point) Compute the median of 35, 47, 31, 39, 53.

Round to 2 decimal places as needed.

Your Answer: Question 8 options: Answer Question 9 (1 point) Compute the median of 43, 24, 48, 49, 15.

Round to 2 decimal places as needed.

Your Answer: Question 9 options: Answer Question 10 (1 point) What is the standard deviation of the following: 36, 41, 33, 44, 10, 27

Round to 2 decimal places as needed.

Your Answer: Question 10 options: Answer Question 11 (1 point) What is the standard deviation of the following: 12, 50, 46, 21, 38, 13

Round to 2 decimal places as needed.

Your Answer: Question 11 options: Answer Question 12 (1 point) Jedi Master Astaal Vibum is interested in studying the midi-clorian count in Jedi younglings and how those levels change as they become padawan and ultimately full Jedi knights. To begin the study, Astaal randomly selected 43 Jedi younglings and measured their midi-clorian counts. Measurements will be taken annually until they leave the Jedi order or reach the level of Jedi Master. What is the population of this study?

Question 12 options:

1)

All Jedi knights

2)

The 43 younglings measured

3)

All Jedi younglings

4)

All children

Question 13 (1 point) In a study entitled "Hello from the Other Side", Yael Schneider studied the frequency, conditions of, and content of attempted electronic communications with a former significant other in the month immediately following a breakup. Yael looked at messages sent via social media, text, and email of 32 individuals who had recently broken up with their significant other. Her findings can be found in the Almanac of Questionable Statistics, Vol 16 (1242). What is the population in this study?

Question 13 options:

1)

All individuals who have recently broken up with a significant other

2)

The 32 individuals whose electronic communications were studied

3)

Researchers of social and behavioral science

4)

Social media, mobile phone, and internet providers

Question 14 (1 point) What is the midrange of the following: 18, 36, 51, 82, 6, 23, 53, 31

Round to 2 decimal places as needed.

Your Answer: Question 14 options: Answer Question 15 (1 point) What is the mode of the following: 47, 71, 96, 71, 71, 13, 68, 47, 57

Round to 2 decimal places as needed.

Your Answer: Question 15 options: Answer Question 16 (1 point) A given distribution has a population mean, , of 149 and a population standard deviation, , of 14. What z-score would be associated with the value x = 99?

Round to two decimal places, as needed.

Your Answer: Question 16 options: Answer Question 17 (1 point) A given distribution has a population mean, , of 123 and a population standard deviation, , of 12. What z-score would be associated with the value x = 97?

Round to two decimal places, as needed.

Your Answer: Question 17 options: Answer Question 18 (1 point) A given distribution has a population mean, , of 138 and a population standard deviation, , of 8. Compute the raw, x-value associated with a Z-score of -0.20.

Round to two decimal places, as needed.

Your Answer: Question 18 options: Answer Question 19 (1 point) A given distribution has a population mean, , of 115 and a population standard deviation, , of 7. Compute the raw, x-value associated with a Z-score of 0.66.

Round to two decimal places, as needed.

Your Answer: Question 19 options: Answer Question 20 (1 point) Suppose a population is known to be normally distributed with a mean, , equal to 116 and a standard deviation, , equal to 14. Approximately what percent of the population would be between 88 and 102?

Question 20 options:

34%

68%

95%

81.5%

13.5%

47.5%

Question 21 (1 point) Suppose a population is known to be normally distributed with a mean, , equal to 116 and a standard deviation, , equal to 14. Approximately what percent of the population would be between 116 and 130?

Question 21 options:

47.5%

95%

81.5%

34%

13.5%

68%

Question 22 (1 point) Suppose a population is known to be normally distributed with a mean, , equal to 116 and a standard deviation, , equal to 14. Approximately what percent of the population would be between 116 and 144?

Question 22 options:

34%

47.5%

68%

81.5%

13.5%

95%