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1. If the decision in the hypothesis test of population correlation is to reject the null hypothesis, what can we conclude about the population correlation?
a. Is zero
b. Could be zero
c. Is not zero
d. Equals the computed sample correlation
e. None of the above is correct
2. In the regression equation, what does the letter "a" represent?
a. Y intercepts
b. Slope of the line
c. Any value of the independent variable that is selected
d. None of the above
Name three elements of the inferential statistical analysis.
The mean of a sample is 22.5. The mean of 1000 bootstrapped samples is 22.491. The bias of the bootstrap mean is
Prepare the confidence interval of 95% for the welders' proportion that graduated in the school of welding.
Create a 98 percent confidence interval for the population mean.
Assume that a hand of 12 cards is dealt from a normal deck of 52 playing cards. What is the probability that of the 12 cards, 3 will be diamonds, 3 will be clubs, 3 will be spades, and 3 will be hearts.
Standard deviation of 7. At 0.01 significance level, is there more variation in first population?
Report descriptive statistics, assumptions tests, effect sizes (partial eta) as well as tests of statistical significance.
Do these data suggest a statistically significance difference between the proportions of drug-resistant cases in the two states? Use a 0.02 level of significance and computed value of 2.37.
What is the proportion of people surveyed that rated the subway system from 3 to 4. What is the proportion of people surveyed rated the Subway System from 1 to 3.
Calculate the expected number of days it takes to get the order and standard deviation.
To find out the proportion of the population of likely voters who agree the statement. Could we say among appropriate statistical certainty which the proportion of the population of likely voters.
Suppose there is no cyclical component. Quarterly billing for water usage is shown below describe summer billing for year 5.
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