Mathematics, 20.11.2019 22:31, myleefaustin
Aschool official took a sample of 25 school administrators in the state of ohio to learn about the salaries in that state to see if they differed from the national average.
a) formulate hypotheses that can be used to determine whether the population mean annual administrator salary in ohio differs from the national mean of $90,000.
b) the sample data for 25 ohio administrators is contained below. what is the p-value for your hypothesis test in part a?
c) at alpha = 0.05, can your null hypothesis be rejected? what is your conclusion?
d) repeat the preceding hypothesis test using the critical value approach?
salary data
77600
76000
90700
97200
90700
101800
78700
81300
84200
97600
77500
75700
89400
84300
78700
84600
87700
103400
83800
101300
94700
69200
95400
61500
68800
Answers: 1
Mathematics, 22.06.2019 03:30, kbuhvu
Tom and lilly rented a house for $12,000 last year. at the start of the year they bought the house they had been renting directly from the owner for $250,000. they believe they could rent it for $12,000 this year, but stay in the house. how much does tom and lilly’s decision to buy the house change gdp? a. it reduces gdp by $12,000 b. it does not change gdp c. it raises gdp by $238,000 d. it raises gdp by $250,000
Answers: 1
Aschool official took a sample of 25 school administrators in the state of ohio to learn about the s...
Mathematics, 23.06.2019 15:30