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Discuss how the statistical application of Pearson r is used for hypothesis testing. Through application of the Spearman Correlation discuss what type of data the Pearson formula can be used for.
A savings account was opened for a baby on 1985 with a $100 deposit. No withdrawals or deposits occurred since the account was opened. The current balance of the account is $246.47. Measured in dollars of the year in which the account was opened, how..
If two American adults are randomly selected, what is the probability that neither of them has ever experienced a migraine headache?
An automobile company thinks that with new designs, it scars will last longer before having a problem. For this reason the company wishes to extend the warranty that comes with the vehicle in hopes of attracting more customers.
Suppose we wish to test the hypothesis H0: = µ2 vs. H1: = µ≠2 We find a two sided p-value of .03 and a 95% CI for µ of (1.5, 4.0) Are these two results possibly compatible? Why or why not?
currently available medication is -9.4 minutes with a standard deviation of 2.8 minutes. Construct a 95% CI for the mean difference in times between the experimental and currently available medication.
The probability of a failure during the warranty period is 5%.if 90% of the connector are kept dry and 10% are wet, What proportion of connectors fail during the warranty period?
A researcher testing the affects of music on studying conducts a within participants design. The results are as follows: music 6,7,6,5,6,8,8, and no music 10,7,8,7,7,9,8
The sample proportion of large gloves for each location is and . (Round your answers to 4 decimal places.)
If you want to provide a warranty so that only 2% of CD player will be replaced before the warranty expires, what is the time length of the warranty? c) What is p67?
An analysis of variance was used to evaluate the mean differences from a repeated-measures research study. The results were reported as F(3,24)=6.40.
Suppose that Y has a continuous distribution with pdf f2, let Z=X+Y. Show that Z has a continuous distribution and find its pdf.
Create probability tree showing all marginal, conditional, and joint probabilities. Create a joint probability table.
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