Areal estate agent compares the selling price of townhouses in two major cities in National Capital Region to see if there is a difference in price The results of the study are shown Is there enough evidence to reject the claim that the average price of a townhouse in Quezon City is higher than Makati Use 0 05 Quezon City Mean PhP2,140,000 sample standard deviation PhP226,000 simple size 47 Makati City Mean PhP1,970,000 sample standard deviation PhP243,000 simple size 45 Calculate the z test Round off two decimal places In their advertisements, the marketers of a new diet program would like to claim that their methods result in a mean weight loss of more than 10 pounds in two weeks In order to determine if this is a valid claim, they hire an independent testing agency which then selects 25 people to be placed on this diet program The agency should be testing the null hypothesis Ho 10 and the alternative hypothesis EAC SASTE Dean Dr Reynoso once told me that our students study mathematics on average 2 hours per day However, because of the math addiction diagnosed at this school, I firmly believe that the average is higher An appropriate set of hypotheses for this would be Mr Z's grading policies have come under attack by the administration as the Board of Directors of the college To analyze the situation, a null hypothesis, together with an alternative hypothesis have been formulated Ho Mr Z's grading policies are fair Ha Mr Z plays favorites in awarding grades The Board of Directors finds no irregularities, and therefore takes no actions against him, but the rumors among the students is that it is advantageous for Mr Z's students to regularly give him chocolate covered expresso coffee beans It is conceivable that The average score in the Midterm examination in Statistics of the Psychology students is 80 with a standard deviation of 10 A random sample of 40 students was taken from the group of Psychology students enrolled in Statistics class And it was found to have a mean score of 84 Calculate the Z test

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Areal estate agent compares the selling price of townhouses in two major cities in National Capital Region to see if there is a difference in

Areal estate agent compares the selling price of townhouses in two major cities in National Capital Region to see if there is a difference in price. The results of the study are shown. Is there enough evidence to reject the claim that the average price of a townhouse in Quezon City is higher than Makati? Use = 0.05 [Quezon City: Mean = PhP2,140,000; sample standard deviation = PhP226,000; simple size = 47] [Makati City: Mean = PhP1,970,000; sample standard deviation = PhP243,000; simple size = 45] Calculate the z test. Round off two decimal places
In their advertisements, the marketers of a new diet program would like to claim that their methods result in a mean weight loss of more than 10 pounds in two weeks. In order to determine if this is a valid claim, they hire an independent testing agency which then selects 25 people to be placed on this diet program. The agency should be testing the null hypothesis Ho : = 10 and the alternative hypothesis :
EAC SASTE Dean Dr. Reynoso once told me that our students study mathematics on average 2 hours per day. However, because of the "math addiction" diagnosed at this school, I firmly believe that the average is higher. An appropriate set of hypotheses for this would be:
Mr. Z's grading policies have come under attack by the administration as the Board of Directors of the college. To analyze the situation, a null hypothesis, together with an alternative hypothesis have been formulated: Ho : Mr. Z's grading policies are fair.; Ha : Mr. Z plays favorites in awarding grades. The Board of Directors finds no irregularities, and therefore takes no actions against him, but the rumors among the students is that it is advantageous for Mr. Z's students to regularly give him chocolate-covered expresso coffee beans. It is conceivable that:
The average score in the Midterm examination in Statistics of the Psychology students is 80 with a standard deviation of 10. A random sample of 40 students was taken from the group of Psychology students enrolled in Statistics class. And it was found to have a mean score of 84. Calculate the Z-test.