Math Homework

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I would like to see a list, and total amount, of all
I would like to see a list, and total amount, of all possible 2 number combinations of the numbers 1-9 . example 1,1.. 1,2 ...2,1 etc. for 1-9… read more
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For Problems 1 and 2, we will use the HWAS data (Data Tables
For Problems 1 and 2, we will use the HWAS data (Data Tables folder). For Problem 3, we will use the Garbage data from Appendix B. Copy the data set into this spreadsheet. Please organize your work so… read more
Stevewh
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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
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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
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
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a. Using Mens Ideal Weights, make a histogram, get Mean, Std.Deviation,
a. Using Men's Ideal Weights, 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
Master's 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
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
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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
Ryan
Bachelor's Degree
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For Steve A researcher claims that the average age of people
For Steve A researcher claims that the average age of people who buy lottery tickets is 61. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 8. At  = 0… read more
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Bachelor'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. Errors Frequency 61 -63 19 64-66 17 67-69 5 70-72 10 73-75 12 Iam only stuck … read more
SusanAthena
Master's Degree
Master's Degree
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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
Master's Degree
Master's Degree
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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
dhouse1940
Retired
Master's Degree
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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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Ages of 56 attendees of a Harry Potter movie are shown. (a)
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 frequencies for… read more
Chirag
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
Master's Degree
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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
Chirag
Master's Degree
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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
muvee
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