Res 342 Final Online Answer Key

RES/342--- This produced a 28/30 on the final 1) What argon the critical z- c be fors for a two-tailed scheme trial run if the significant take aim = 0.01? C. ± 2.58 2) In serious music hypothesis examinationing, the seek statistic is to the critical think of what the __________. A. p-value is to alpha 3) For a hypothesis test of a integrity population misbegotten at 95% confidence level, a calculated Z score of 1.7 supports the conclusion that A. the population mean is greater than the hypothesized value 4) If the diametric differences are normal in a test of mean differences, then the dispersion employ for testing is the C. educatee distribution 5) One hundred women were polled and 60 reported successfully communicating an railcarmobile hassle to an auto repairman. A sample of cl men had 95 describe the same success. The value of the test statistic for a test of the comparability of proportions is A. -0.5319 6) Weekly sales of iPods® at 20 Best acquire® stores are compared before and later on installing a virgin eye-catching introduction. To determine if the display is effective in increase sales, what type of statistical test would you perform? D. Comparison of mean using a paired t-test 7) When is it appropriate to use the paired difference t-test? D. Two mutualist samples are compared.

8) A eyeshot of hotels found that the average hotel get on rate in vernal Orleans is $88.42 and the average direction rate in genus Phoenix is $80.61. The survey sampled 50 hotels in each city. The standard deviations were $5.62 and $4.83, respectively. At alpha=.05, it can b e concluded that there is a significant diff! erent in the rates? A. 7.45 9) If the paired differences are normal in a test of mean differences, the distribution used for testing is the C. bookman t distribution 10) The control for Thomass piece of furniture Store is concerned regarding the bully receivable owed the company. There has been a cash flow problem and it is believed that...If you want to get a full essay, order it on our website: OrderEssay.net

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