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Calculate (a) MAD, (b) MSE, and (c) MAPE for the following forecast versus actual sales figures.
Forecast
Actual
100
95
110
108
120
123
130
It is believed that population standard deviation is 15 days. If test is conducted using 0.05 level of significance, what conclusion must be reached?
I have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug. The computer provides the following output, The degrees of freedom for the t test for the slope are
Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
Find out the probability distribution, and the cumulative probability distribution of car arrivals.
What is the probability that the team wins tonight and that there will be a large crowd at tomorrow's game?
The chi-square goodness of fit test can be used when we:
For each of the following situations, indicate the appropriate measure, incidence rate or prevalence rate and the numerical value of the rate.
Which of the following Venn diagrams has shaded the event that the contractor wins exactly one of the contracts and evaluate the mean time to complete the entire homework assignment
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
What is the expected number of Republicans who will win office in the coming election?
State the values of the coefficient of correlation and coefficient of determination correct to three decimal places
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
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