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Q1) The following heights (inches) have been obtained for the male staff at the daily Planet.
73.10
66.00
65.90
72.00
67.50
69.90
69.10
68.40
74.30
72.10
69.40
71.00
70.10
71.50
61.50
70.00
63.40
66.20
68.30
74.20
68.90
73.80
69.30
71.30
74.60
66.90
69.80
68.80
73.00
65.00
63.70
70.90
76.60
69.70
64.80
71.20
70.70
75.10
76.10
68.20
66.80
70.60
a) Create the table for frequency distribution that has 16 class intervals of width 1 inch. Utilize 61.5 inches as lower limit of first interval and 62.5 as upper limit
b) Add the column of relative frequencies of table found in (a)
c) Add the column of cumulative relative frequencies to table found in (a)
A faculty group wants to determine whether job rating (x) is a useful linear predictor of raise (y). Consequently, the group considered the linear regression model:
The amount ($1.00, $5.00, $10.00, $25.00, or $50.00) promised to each person was determined by randomization. For each person who was sent one of the surveys, The value of the X2 test statistic for testing the hypothesis
What is the mean and standard deviation of the number preferring the incumbent and what is the probability that more than 68% will favor the incumbent?
The Wilcoxon rank sum of the ranks for group and The value of the Wilcoxon signed rank statistic
Make a scatter plot, illustrate the regression lines. Determine the correlation coefficient between husband’s and wife’s education for couples in which wife is employed full time?
Using part(a), explain to investor differences between distribution of performance figures for the 2 kinds of stock funds.
Which of the following events are disjoint and What proportion of the females rated their intelligence less than 7.
What is the possibility that for a arbitrarily selected customer the service time could exceed 3 minutes?
The Minitab output for the Tukey Least Significant Difference multiple comparisons is below. Which means are different and similar
This model is fit to the data using the method of least squares using statistical software, and the following ANOVA table is obtained
For a sample with standard deviation of 10, a score of X = 44 corresponds to z-score of 0.50. Based on this info, determine the sample mean?
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
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