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Use the HWAS data for problem 4. Assume HWAS data is a Popul
Use the HWAS data for problem 4. Assume HWAS data is a Population, and use the Age column of the data set. Take a Simple Random Sample from the Age column of n=30. a. For this SRS of 30, find the Mean… read more
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a. Using Ideal Weight data, make a histogram, get Mean, Std.Deviation,
a. Using Ideal Weight data, make a histogram, get Mean, Std.Deviation, and Five-Number Summary. Describe the distribution. Description should include min, max, center, spread, number of peaks, shape, … read more
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Using the Age column, take a Simple Random Sample (SRS) of
Using the Age column, take a Simple Random Sample (SRS) of n=30. Show the sample and explain how you took the sample. Use StatCrunch sampling, Excel Analysis Toolpak sampling, or Excel function Randbe… read more
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5) Make a scatterplot of two continuous variables-Age, Sex Age 57,
5) Make a scatterplot of two continuous variables-Age, Sex Age 57, 67, 59, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 61, 65, 65, 66, 67, 68, 69, 67, 67, 72, 73, 74, 75, 74, 70, 68, 68, 69, 6… read more
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The hospital would like to ensure that the overall arrival
The hospital would like to ensure that the overall arrival to provider wait time is less than 60 minutes. Column B has overall wait times for a random sample of 150 patients. a) Using α = .05, conduct… read more
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21. Solve the problem. Round results to the nearest hundredth.
21. Solve the problem. Round results to the nearest hundredth. The mean of a set of data is -3.82 and its standard deviation is 2.31. Find the z score for a value of 3.99. (Points: 5) 3.04 3.72 3.68 3… read more
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susan athena. Given the following frequency distribution, find
susan athena. Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Class Frequency 56-58 25 59-61 21 62-64 8 65-67 13 68-70 21… read more
rajeevanpillai
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Here are heart rates for a sample of 30 students before and
Here are heart rates for a sample of 30 students before and after a class break. At a = .05, was there a significant difference in the mean heart rate? (a) State the hypotheses. (b) State the decision… read more
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Construct a grouped frequency distribution for the following
Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 66 56 55 55 52 61 63 69 57 70 62 54 68 52 68 67 68 69 53 62 71 69 71 69 75 74 64 68… read more
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A study argues that peoples abilities may deteriorate with
A study argues that people's abilities may deteriorate with age, the study reports that 25 year olds did better than 60 year olds on a IQ test. The data in the tables are raw test scores for a sample … read more
SusanAthena
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How do I calculate a test statistic for the wilcoxon signed
How do I calculate a test statistic for the wilcoxon signed rank test. my research question is the average income among men and women greater than 30000 H0: mu 30000 here is the data below. Wilcoxon S… read more
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1. How much time do executives spend each day reading and sending
1. How much time do executives spend each day reading and sending email? A survey was conducted to obtain this information. The response (in minutes) is below. Can we infer from these data that the me… read more
Ryan
Bachelor's Degree
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15.9) Ages of 56 attendees of a Harry Potter movie are shown.
15.9) Ages of 56 attendees of a Harry Potter movie are shown. (a) Form seven age classes (10 to 20, 20 to 30, etc.). Tabulate the frequency of attendees in each class. (b) Calculate expected frequenci… read more
rajeevanpillai
Master's Degree
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Here are the heart rates for a sample of 30 students before
Here are the heart rates for a sample of 30 students before and after a class break. At a=0.5, was there a significant difference in the mean heart rate? (a) State the hypothesis. (b) State the decisi… read more
SusanAthena
Master's Degree
Master's Degree
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Some traffic experts believe that the major cause of highway
Some traffic experts believe that the major cause of highway collisions is the differing speeds of cars. That is, when some cars are driven slowly while others are driven at speeds well in excess of t… read more
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Income 53 47 59 44 87 56 62 60 70 85 63 57 59 64 45 62 63 55 77 52 72
Income 53 47 59 44 87 56 62 60 70 85 63 57 59 64 45 62 63 55 77 52 72 64 68 54 63 57 67 47 58 58 58 57 66 67 63 62 49 42 70 42 69 28 53 59 44 61 54 67 5 5 56 74 33 67 55 50 52 47 48 59 60 50 46 70 56 … read more
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Suppose a group of 50 students have the following heights (in
Suppose a group of 50 students have the following heights (in inches): 60, 61, 70, 74, 60, 72, 64, 67, 70, 68, 71, 68, 73, 59, 54, 55, 61, 65, 71, 70, 66, 59, 64, 59, 65, 61, 66, 65, 70, 72, 73, 65, 6… read more
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A court administrator wants to examine burglary case disposition
A court administrator wants to examine burglary case disposition times in his city. A random sample of 50 burglary cases disposed of during the previous year is drawn. The numbers that follow represen… read more
Elizabeth
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