Mathematics, 26.11.2019 21:31 jaymoria16
Alarge department store examined a sample of 18 credit card sales and recorded the amounts charged for each of three types of credit cards: mastercard, visa, and discover. six mastercard sales, seven visa, and five discover sales were recorded. the store used an anova to test if the mean sales for each credit card were equal. what are the degrees of freedom for the f statistic?
a. 3 in the numerator, 18 in the denominator
b. 18 in the numerator, 3 in the denominator
c. 6 in the numerator, 15 in the denominator
d. 2 in the numerator, 15 in the denominator
Answers: 1
Mathematics, 21.06.2019 18:30, bellabarfield4286
The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?
Answers: 1
Mathematics, 22.06.2019 04:10, wmaingrette1
3.(03.01)the domain of the following relation r {(6, -2), (1, 2), (-3, -4), (-3, 2)} is (1 point)o {-4, -2, 2)^{-3, -3, 1,6}{-4, -2, 2, 2){-3, 1, 6)4.(03.01)dulan created color nanele for a wall usinn a mix of only arepn and blue naints haplotted the quantidescription+
Answers: 3
Mathematics, 22.06.2019 06:30, AquariusOx
About 29% of the earth’s surface is covered by land. the total surface area of the earth is about 510 million square kilometers. what is the area of the earth’s surface covered by land?
Answers: 1
Mathematics, 22.06.2019 07:00, Rainey1664
What is (2.5a^8n)^3 · (0.4^7n)^3 can you plz simplify this quickly offering lots of points
Answers: 1
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