Exam 5: Exploring Data: Distributions

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For the following Questions assume that the heights of American women ages 18 to 24 are normally distributed, with mean 64.5 inches and standard deviation 2.5 inches. -Amy's 18-year-old sister Mo is 64 inches tall. Where is she located in the height distribution of women ages 18 to 24?

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Could it be possible that the standard deviation is 0?

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In a normal distribution with mean 100 and standard deviation 7, which value is more common: a value between 100 and 107, or a value outside the range 93 to 107?

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Refer to this stemplot to answer the following questions: 0 1234 1 03 2 14669 3 4 2789 -What is the median of this data set?

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Below are the heights (in inches) of students in a third-grade class. Find the median height. 39,37,48,49,40,42,48,53,47,42,49,51,52,45,47,4839,37,48,49,40,42,48,53,47,42,49,51,52,45,47,48

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Bruce is considering relocating to a new city. His options are Altuna, Boundary Valley, and Collie Creek. All other living expenses seem to be equal for the three choices, but Bruce is worried about his heating and cooling bill. The only information he has at his disposal is the following table: City Mean daily temperature Standard deviation for the daily temperature Altuna 64 15 Boundary Valley 64 16 Collie Creek 64 5 Which city is likely to have the least expensive heating and cooling costs?

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Use the following information to answer the Questions: Below are the numbers of pages in each of seven chapters of a textbook. 14, 14, 20, 38, 47, 48, 57 -What is the median number of pages?

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For the following Questions assume that the heights of American women ages 18 to 24 are normally distributed, with mean 64.5 inches and standard deviation 2.5 inches. -About what percentage of American women ages 18 to 24 have heights greater than 69.5 inches?

(Multiple Choice)
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Find the standard deviation of the following set of measurements. 4, 7, 9, 11, 13, 22

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A data set consists of measurements of lengths in centimeters. What is the unit of the standard deviation?

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Refer to the following frequency distribution to answer the questions: Value 1 2 3 6 Relative frequency 25\% 25\% 15\% 35\% -Which of the following statements describes the mean of the distribution?

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In the list of five measurements shown below, one is blurred. Supply a fifth value that would make the median 5. 8 5 10 3 \#

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Use the data set 7, 8, 9, 10. What value can you add to this data set that will make the median equal to 8.5?

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Find the standard deviation of the following set of data: 0 5, 7, 17, 31, 45, 47, 68, 85, 96, 99

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The scores of students on a standardized test form a normal distribution with a mean of 300 and a standard deviation of 40. What are the lower and upper quartile scores for this test?

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Below are the scores of 21 students on a history exam. Find the five-number summary of the scores. 50,60,60,60,65,65,70,75,75,75,75,80,80,80,85,85,90,95,95,95,10050,60,60,60,65,65,70,75,75,75,75,80,80,80,85,85,90,95,95,95,100

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Given the set of data below, find the mean. 25,16,50,19,42,3725,16,50,19,42,37

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The distribution of the scores on a standardized exam is approximately normal with mean 400 and standard deviation 35. Between what two values do the middle 50% of scores lie?

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Given the histogram below for a set of data, which statement is true? Given the histogram below for a set of data, which statement is true?

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Find the mean of the following set of data: 23, 45, 26, 18, 11, 42, 35, 16, 32

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