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A random sample of 30 male college students was selected,
A random sample of 30 male college students was selected, and their heights were measured. The heights (in inches) are given below.68 73 67 67 71 71 69 69 71 74 71 69 68 73 66 68 66 70 66 68 66 71 70 … read more
rajeevanpillai
rajeevanpillai
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The frequency table shows the hights (in inches) of 130 members
The frequency table shows the hights (in inches) of 130 members of a choir. a) Find the median and IQR. b) Find the mean and standard deviation. Height Count Height Count 60 2 69 5 61 6 70 11 62 9 71 … read more
Ryan
Ryan
Bachelor's Degree
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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
Stevewh
Stevewh
Teacher
Bachelor's Degree
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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
Chirag
Chirag
Master's Degree
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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
Chirag
Chirag
Master's Degree
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a. What is the probablity that a person selected at random
a. What is the probablity that a person selected at random from the data set will be between 30 and 39 years of age inclusive? b. What is the probablity that a person selected at random from the data … read more
Ray Atkinson
Ray Atkinson
Bachelor's Degree
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•1. A researcher is interested in testing the common belief
•1. A researcher is interested in testing the common belief that most college students gain 15 pounds their freshman year of college. He collects the weight of a group of freshman in September and the… read more
mcleo19
mcleo19
Assistant Professor
Doctoral Degree
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Test of two means. Testing whether the GPA of females is higher
Test of two means. Testing whether the GPA of females is higher than that of males in that class. One is going to draw the inference by using a random sample with replacement of size 25 from each grou… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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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
Chirag
Chirag
Master's Degree
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Given the following frequency distribution, find the mean,
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Class Frequency 61-63 21 64-66 25 67-69 20 70-72 14 73-75 21… read more
Ryan
Ryan
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1. Given the following frequency distribution, find the mean,
1. Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 61-63 19 64-66 17 67-69 5 70-72 10 73-75 12… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
Given the following frequency distribution, find the mean,
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Class Frequency 61-63 21 64-66 25 67-69 20 70-72 14 73-75 21… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
6,907 satisfied customers
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
Chirag
Chirag
Master's Degree
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3. Construct both an ungrouped and a grouped frequency distribution
3. Construct both an ungrouped and a grouped frequency distribution for the data given below: 92 93 86 81 85 81 86 88 89 93 83 92 81 93 92 85 93 82 95 86 4. Given the following frequency distribution,… read more
SusanAthena
SusanAthena
Master's Degree
Master'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
rajeevanpillai
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
Chirag
Chirag
Master's Degree
10,329 satisfied customers
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
muvee
muvee
Master's Degree
1,030 satisfied customers
The data below consists of the pulse rates (in beats per minute)
The data below consists of the pulse rates (in beats per minute) of 32 students. Construct a 95% confidence interval for the population mean. Round FINAL answer to the nearest tenth. 80 74 61 93 69 74… read more
abozer
abozer
Bachelor's Degree
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