Question

In: Math

The accompanying data represent the pulse rates​ (beats per​ minute) of nine students. Treat the nine...

The accompanying data represent the pulse rates​ (beats per​ minute) of nine students. Treat the nine students as a population. Compute the​ z-scores for all the students. Compute the mean and standard deviation of these​ z-scores. Compute the​ z-scores for all the students. Complete the table.

Student 1 .

Student 2

Student 3

Student 4

Student 5

Student6

Student 7

Student 8

Student 9

​(Round to the nearest hundredth as​ needed.) Compute the mean of these​ z-scores.

The mean of the​ z-scores is _____

. ​(Round to the nearest tenth as​ needed.)

Compute the standard deviation of these​ z-scores. The standard deviation of the​ z-scores is ____

. ​(Round to the nearest tenth as​ needed.) Enter your answer in each of the answer boxes.

Pulse Rates Student Pulse

Student 1    77

Student 2    61

Student 3    60

Student 4    80

Student 5    73

Student 6    80

Student 7 80

Student 8    68

Student 9    73

Solutions

Expert Solution


Related Solutions

The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine...
The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine students as a population. Compute the z-scores for all the students. Compute the mean and standard deviation of these z-scores. STUDENT          PULSE student 1               77 student 2               61 student 3               60 student 4               80 student 5               73 student 6               80 student 7               80 student 8               68 student 9               73 Compute the z-scores for all the students. complete the table. (round to the nearest...
The accompanying data represent the pulse rates​ (beats per​ minute) of nine students. Treat the nine...
The accompanying data represent the pulse rates​ (beats per​ minute) of nine students. Treat the nine students as a population. Compute the​ z-scores for all the students. Compute the mean and standard deviation of these​ z-scores. Student   Pulse Student 1   77 Student 2   60 Student 3   60 Student 4   80 Student 5   72 Student 6   80 Student 7   80 Student 8   68 Student 9   73 Compute the mean of these​ z-scores. The mean of the​ z-scores is ​(Round to the...
The accompanying data represent the pulse rates​ (beats per​ minute) of nine students enrolled in a...
The accompanying data represent the pulse rates​ (beats per​ minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts​ (a) through​ (b). Student Pulse Perpectual_Bempah 78 Megan_Brooks 75 Jeff_Honeycutt 85 Clarice_Jefferson 71 Crystal_Kurtenbach 85 Janette_Lantka 73 Kevin_McCarthy 89 Tammy_Ohm 71 Kathy_Wojdya 82 ​(a) Compute the population standard deviation. sigma equalsσ=nothing beats per minute ​(Round to one decimal place as​ needed.) (b) Determine the sample standard deviation of the following three simple random...
Use the accompanying data set on the pulse rates​ (in beats per​ minute) of males to...
Use the accompanying data set on the pulse rates​ (in beats per​ minute) of males to complete parts​ (a) and​ (b) below. 80 82 83 62 93 83 74 77 50 84 59 72 53 90 59 43 64 64 64 79 51 62 55 68 74 82 52 80 80 72 76 59 Find the mean and standard​ deviation, and verify that the pulse rates have a distribution that is roughly normal. Explain why the pulse rates have a...
The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of a...
The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of a random sample of women. Answer parts ​a-c. height​ (x) 61.6 63.8 60.1 60.1 59.1 60.9 59.5 60.5 67.5 59.5 67.5 62.8 pulse rate​ (y) 78 74 87 63 71 65 82 60 65 65 80 80 a. Find the value of the linear correlation coefficient r. b. Find the critical values of r from the table showing the critical values for the Pearson correlation...
The data below shows height (in inches) and pulse rates (in beats per minute) of a...
The data below shows height (in inches) and pulse rates (in beats per minute) of a random sample of women. Find the value of the linear correlation coefficient r, using a significance level of 0.05 Is there sufficient evidence to conclude that there is a linear correlation between height and pulse rate? Height | Pulse Rate 61.7    80 64.3    74 60.1    89 60.3 61 59.3 75 61.5 66 59.6    83 61.1    61 67.5    68...
The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of a...
The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of a random sample of women. Construct a​ scatterplot, find the value of the linear correlation coefficient​ r, and find the​ P-value using alphaequals0.05. Is there sufficient evidence to conclude that there is a linear correlation between height and pulse​ rate? Full data set    height​ (x) 64.7 66.9 61.2 60.5 59.6 63.8 59.7 63.2 67.6 60.3 pulse rate​ (y) 79 71 86 60 70 66...
13. The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of...
13. The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of a random sample of women. Construct a​ scatterplot, find the value of the linear correlation coefficient​ r, and find the​ P-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between height and pulse​ rate? height_(x)           pulse_rate_(y) 61.2        75 67.8        73 60.1        88 60.1        64 59.3        71 60.9        70 59.5        83 60.8        65 67.8        67 59.9        70 67.9        84...
Consider the following data set giving the pulse rates (in beats per minute) of a random...
Consider the following data set giving the pulse rates (in beats per minute) of a random sample of ten students enrolled in a Statistics class 76 60 60 81 72 80 68 73 80 60 Find the following values for the given sample data. You may use a calculator. a. Mean __________ b. Median __________ c. Mode __________ d. Inter Quartile Range__________ e. Standard deviation __________ f. Outliers __________
13. The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of...
13. The data below shows height​ (in inches) and pulse rates​ (in beats per​ minute) of a random sample of women. Construct a​ scatterplot, find the value of the linear correlation coefficient​ r, and find the​ P-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between height and pulse​ rate? height_(x)           pulse_rate_(y) 61.2        75 67.8        73 60.1        88 60.1        64 59.3        71 60.9        70 59.5        83 60.8        65 67.8        67 59.9        70 67.9        84...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT