Math Homework

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1. If your calculated r = -1.17, what does that indicate? 2.
1. If your calculated r = -1.17, what does that indicate? 2. Which shows a stronger relationship, a correlation coefficient of r = -.90 or r = + .30? 3. In a a two tailed test, with alpha set at .05, … read more
rajeevanpillai
Master's Degree
Master's Degree
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Please use MegaStat and State Hypotheses10.15 The average
Please use MegaStat and State Hypotheses. Please also state how quickly you can get it done. 10.15 The average length of stay (LOS) from U.S. short-stay hospitals for a sample of 25 male pneumonia pat… read more
R.R. Jha
Bachelor's Degree
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The following shows the starting salaries (in \$1,000) of samples
The following shows the starting salaries (in \$1,000) of samples of individual in two different industries. Using Excel, at 95% confidence test to determine if there is a significant difference in the… read more
R.R. Jha
Bachelor's Degree
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I need help with a correlation analysis and hypothesis test.
I need help with a correlation analysis and hypothesis test. Here is the data used to do the regression analysis and I'm trying to find if being older means making more money. I need help with correla… read more
dhouse1940
Retired
Master's Degree
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Dr. Dan 1. Start with x = 100 and add 4 x values to make a sample of five data such that s=0 2. Given the following frequency distribution, find the mean, variance, and standard deviation. Please show… read more
Dr. Dan
Doctoral Degree
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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 numbers given 40 39 41 48 27 37 26 33 38 31 38 27 38 46 39 28 36 34 26 37 34 43 42 25 47 29 25 28… read more
dhouse1940
Retired
Master's Degree
625 satisfied customers
6.For the following scores, X Y 3 12 6 7 3 9 5 7 3 10 a.
6.For the following scores, X Y 3 12 6 7 3 9 5 7 3 10 a. Compute the Pearson correlation. b. With a small sample, a single point can have a large effect on the magnitude of the correlation. Change the… read more
R.R. Jha
Bachelor's Degree
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Week 6 Week 6 - W6 Assignment 2 ----------------------------------------------------
Week 6 : Week 6 - W6: Assignment 2 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 1. … read more
mcleo19
Assistant Professor
Doctoral Degree
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Assume you wish to analyze the following hypothesis There
Assume you wish to analyze the following hypothesis: “There is no statistical difference between lectures, small group discussions, and large group discussions in terms of math achievement scores for … read more
SusanAthena
Master's Degree
Master's Degree
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susan athena Use the following numbers 48, 38, 15, 36, 25,
susan athena Use the following numbers: 48, 38, 15, 36, 25, 38, 48, 18, 34, 37. and assume the numbers represent scores on a posttest. Using these “scores,” give the formula, compute the following (sh… read more
SusanAthena
Master's Degree
Master's Degree
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Use the following numbers 48, 38, 15, 36, 25, 38, 48, 18,
Use the following numbers: 48, 38, 15, 36, 25, 38, 48, 18, 34, 37. and assume the numbers represent scores on a posttest. Using these “scores,” give the formula, compute the following (show your work)… read more
rajeevanpillai
Master's Degree
Master's Degree
741 satisfied customers
27) Statistical methods that require few assumptions, if any,
27) Statistical methods that require few assumptions, if any, about the population distribution are known as A. nonparametric techniques. B. parametric techniques. C. All of these D. free agent techni… read more
abozer
Bachelor's Degree
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1. The following data show samples of three chain stores in
1. The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. Management wishes to test whether each shopper… read more
Chirag
Master's Degree
10,329 satisfied customers
first and ninth decile and 33rd percentile of384041
show work for figuring first and ninth decile and 33rd percentile of 38 40 41 45 48 48 50 50 51 51 52 52 53 54 55 55 55 56 56 57 59 59 59 62 62 62 63 64 65 66 66 67 67 69 69 71 77 78 79 79… read more
Jim C
Master's Degree
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1. The following data show samples of three chain stores in
1. The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. Management wishes to test whether each shopper… read more
abozer
Bachelor's Degree
6,158 satisfied customers
11.73 For independent samples of customers of Internet providers
11.73 For independent samples of customers of Internet providers A and B, the ages are as listed in file XR11073. Using the 0.05 level of significance in a nondirectional test, examine whether the var… read more
muvee
Master's Degree
1,030 satisfied customers
1. Use the following numbers 48, 38, 15, 36, 25, 38, 48, 18,
1. Use the following numbers: 48, 38, 15, 36, 25, 38, 48, 18, 34, 37. and assume the numbers represent scores on a posttest. Using these “scores,” give the formula, compute the following (show your wo… read more
abozer
Bachelor's Degree
6,158 satisfied customers
2. Compute each of the following statistics (Include the formula
Compute each of the following statistics (Include the formula and show your work). You may use a computer program to calculate but be sure to show the work. Pretest scores: 15, 05, 28, 17, 40, 34, 06,… read more
Sk1llz
Math student
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