The average property tax for a home in Minnesota is $4,284….

The average property tax for a home in Minnesota is $4,284. A real estate agent in Hutchinson believes that the average property tax in Hutchinson is less than the Minnesota average.  She selects 28 homes at random and finds that the average property tax is $3,967.  The standard deviation of the population is $645.  Test her belief at α = 0.05.Write your conclusion in the space below.  It should take the form:”There is/is not enough evidence to support/reject the claim that …… “

a)  Left-tailed test for a population mean when σ is known a…

a)  Left-tailed test for a population mean when σ is known and the test statistic is found to be z = -2.42               The p-value is  _______ b)  Two-tailed test for the population mean when σ is unknown, the sample size is n = 28, and the test statistic is found to be t = 2.61.               The p-value is between _______ and _______ c)  Two-tailed test for the population proportion and the test statistic is found to be z = 1.83.               The p-value is  _______ d)  Right-tailed test for the population standard deviation when the sample size is n = 25, and the test statistic is found to be                The p-value is between _______ and _______

a)  Left-tailed test for a mean, α = 0.04  and σ is known. …

a)  Left-tailed test for a mean, α = 0.04  and σ is known.               The critical value is  _______ b)  Two-tailed test for mean, α = 0.05, σ is unknown. and n = 16,               The critical values are  _______ and _______ c)  Right-tailed test for proportion where α = 0.06.               The critical value is  _______ d)  Left-tailed test for a variance where α = 0.01 and n = 20               The critical value is  _______ e)  A two-tailed test for standard deviation where α = 0.10  and n = 15               The critical values are  _______ and _______

A real estate agent claims that the standard deviation of th…

A real estate agent claims that the standard deviation of the rental rates of apartments in a certain county is greater than the national standard deviation of $78.  A random sample of 9 rates is shown below.  At α = 0.05, can the claim be refuted? $600 $550 $405 $550 $410 $440 $420 $670 $400 Hint: You will need to find the value of s2 in order to carry out this hypothesis test.  Show your work in finding this value! Write your conclusion in the space below.  It should take the form:”There is/is not enough evidence to support/reject the claim that …… “