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A newspaper in a large midwestern city reported that the National Association of Realtors said that the mean home price last year was $116,800. The city housing department feels that this figure is too low. They randomly selected 56 home sales and the sample mean is $118,000 and the sample standard deviation is $3,700. Conduct hypothesis test using ?=.01.
Use traditional and p-value approach to hypothesis testing. Show all of the steps for each approach.
a friend of mine is giving a dinner party. his current wine supply includes 8 bottles of zinfandel 12 of merlot and 11
We have administered an anxiety test to all members of the class. The mean anxiety score is 71 and the standard deviation is 9. (higher score=higher anxiety)
Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales.
the weights in pounds of discarded plastic from a sample of households summary statistics are n62 x1.911 s1.065 use a
The level of satisfaction in a consumer survey would represent what level of measurement?
Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance
Interpret the following SPSS computer output for the chi-square test. Variable COMMUTE is “How did you get to work last week?” Variable GENDER is “Are you male or female?
What is the relationship between confidence intervals and hypothesis testing? How are they the same? How are they different?
nine college students had eaten the following number of times at a fast food restaurant for dinner in the last ten
If I have 3 tables in the classroom with 16 girls and 8 boys in the class, what are the chances of 8 girls sitting at one table when seats are assigned randomly?
Help with showing how do detrime the standard deviation of a problem when the standard deviation is 5. An example would help me to work out a problem for the normal probability distribution.
The normal model N (58, 21) describes the distribution of weights of chicken eggs in grams. Suppose that the weight of a randomly selected chicken egg has a z score of 1.78. What is the weight of this egg in grams? Round to the nearest hundredt..
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