Mathematics, 12.02.2020 04:09 destinyd10189
According to a recent report, customers who shop at a certain online store spend, on average, s1,500 a year at the store. To investigate whether the mean amount spent was greater than the reported averag obtained the mean and standard deviation of the amount spent in the past year by a random sample of 120 customers who shop at the store. With all conditions for inference met, the economist conducted the appropriate hypothesis test and obtained a p-value of 0.25. Which of the following statements is the most appropriate conclusion for the investigation?
(A) There is convincing statistical evidence that the mean amount of money spent each year by all customers who shop at the store is $1,500. who shop at the store is greater than $1,500. who shop at the store is less than $1,500. who shop at the store is greater than $1,500.
(B) There is convincing statistical evidence that the mean amount of money spent each year by all customers
(C) There is convincing statistical evidence that the mean amount of money spent each year by all customers
(D) There is not convincing statistical evidence that the mean amount of money spent each year by all customers
(E) The ere is not convincing statistical evidence that the mean amount of money spent each year by any sample of 120 customers who shop at the store is greater than $1,500.
Answers: 2
Mathematics, 21.06.2019 16:20
Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.
Answers: 3
Mathematics, 21.06.2019 18:00
Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?
Answers: 1
Mathematics, 21.06.2019 18:30
Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.
Answers: 2
According to a recent report, customers who shop at a certain online store spend, on average, s1,500...
English, 11.12.2021 14:00
Mathematics, 11.12.2021 14:00
World Languages, 11.12.2021 14:00
Mathematics, 11.12.2021 14:00
Physics, 11.12.2021 14:00
Mathematics, 11.12.2021 14:00
English, 11.12.2021 14:00
Mathematics, 11.12.2021 14:00
Mathematics, 11.12.2021 14:00