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A psychologist studying addiction tests whether cravings for cocaine and relapse are independent. The following table lists the observed frequencies in the small sample of people who use drugs.Obs. Freq.Relapse YesNoCravingsYes211334No61824 2731N = 58
(a) Conduct a chi-square test for independence at a 0.05 level of significance. (Round your answer to two decimal places.)
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Decide whether to retain or reject the null hypothesis.Retain the null hypothesis.Reject the null hypothesis.
(b) Compute effect size using ?? and Cramer's V. Hint: Both should give the same estimate of effect size. (If necessary, round your intermediate steps to two or more decimal places. Round your answers to two decimal places.)??=V=
From the descriptions below please identify what type of business loan is involved. A temporary credit supports construction of homes, apartments.
Conduct an analysis of variance test to show that there is evidence of an overall difference in population mean water usage. Use a = 0.05.
consider random sample from a populaion x that is exponentialhy distributed with parameter y. fxyye-yx for xgt0a
HI6007 Statistics and Research Methods for Business Decision Making Assignment Help and Solution, Holmes Institute - Assessment Writing Service
An advertising executive hypothesized the use of clay puppets in a TV ad would be rated as more interesting than humans.
What is the probability that one of the first three golfers that registered for the tournament will win?
use a x2 test of association to test the claim that in the given contingency table the row variable and the column
which of the following does not explain a possible relationship between variables when the null hypothesis is
The test results indicate that the disease is present. What is the probability that the person actually has the disease?
A game involving a pair of dice pays out $4 with probability 16/36, costs you $2 with probability 14/36, and costs you $6 with probability 6/36.
In a weekly lottery, each $1 ticket sold adds 50 cents to the jackpot that starts at $1 million before any tickets are sold. The jackpot is announced each morning to encourage people to play. On the morning of the ith day before the drawing, the c..
On average, how many calls will Raaj have to take before finding the first cardholder to take the double-miles promotion?
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