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The following hypotheses are given.
H0: ρ ≤ 0H1: ρ > 0
A random sample of 12 paired observations indicated a correlation of .32.
1) State the decision rule for .05 significance level. (Round your answer to 3 decimal places.)
Reject Ho if t >
2) Compute the value of the test statistic. (Round your answer to 2 decimal places.)
Value of the test statistic
A salesperson makes four calls per day. A sample of 100 days gives the following frequencies of sales volumes.
An online book store wants to determine if there is an association between coupon redemption and gender. After a special coupon broadcast to its reward members, the following data on coupon redemption at check out were collected.
By using.02 level of significance, carry out a 5-step hypothesis testing procedure to find out if new processes considerably reduced the wait time.
write down the hypothesis the test used the p-value and the interpretation then hand calculates a 95% CL for the odds ratio estimate on this last test.
There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly. (a) Determine the standard error of the proportion.
Find the sample size required. A pilot study showed that the population standard deviation is estimated to be 0.09 g
This distribution is positively skewed. The standard deviation of the population is not known.
Banner Mattress and Furniture Company wishes to study the number of credit applications received per day for the last 300 days.
Construct a scatter plot of P-RFM and P-HELM. If drawing the plot by hand, use graph paper to ensure accuracy.
Given that Vacationer will travel less than 500 miles, Find out the probability that he/she will drive or take the Bus/Train?
What is the percentage of variation in the dependent variable explained by the variation in the independent variable.
Create ADM/PERT diagram. Determine the critical path.
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