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Run a regression of Y on X in Excel and turn in the output with a note explaining what the coefficients {correlation coefficient (multiple R), standard error, t-statistic and F-statistic} mean.
Family
Weekly Expenditure On Recreation (Y)
Weekly Income (X)
1
90
900
2
60
800
3
45
600
4
70
650
5
30
300
6
40
350
7
50
400
8
55
700
9
85
950
10
75
11
12
750
13
500
14
15
25
250
16
65
17
18
450
19
35
20
200
Determine and report the within-group slope which relates Y to Xc (for this, you will have to look at your regression printout).
When combining probabilities, to find the probability of one event AND another event, the separate probabilities should be
Find out the p-value associated with test of hypothesis you conducted?
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
The American Automobile Association checks the prices of gasoline before many holiday weekends.
The mean of a normal probability distribution is 60; the standard deviation is 5.
Use this information to construct a probability table, and then calculate each of the following probabilities:
Determine the probability that we would reject null hypothesis given that it is true?
Compute the suitable Test Statistic to test hypothesis that the proportion of condominiums that sold within 30 days decreased from 2006 to 2007.
Is there a significant difference between the scores between the Republicans and the Democrats?
Illustrate what can we say about the probability distribution. Is it approximately normal, elucidate the mean and standard deviation.
Do hotel managers on average vary significantly in femininity score from men in general?
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