Answer Happy

Suppose the cost of a VS2 clarity, H color one-carat diamond from Diamond Source USA is $5600. A midwestern jeweler makes calls to a sample of 25 dealers in the diamond district in New York City to see if the average price of diamonds there is greater than $5,600. The price quotes are collected in the data set Diamonds.xlsx, which is in the "Some Datasets" folder on the Contents page. Which of the following is the null hypothesis for the question being investigated by the jeweler? a. Ho: μ< 5600 b. Ho: μ ≥ 5600 c. Ho: u≤ 5600 d. Ho: H= 5600 The correct null hypothesis is given in letter. (Enter the letter only!) Is this a z-test or a t-test? __________-test (Enter the letter only!) Based on the rejection region, this is a "two".) N -tailed test. (Enter "right", "left", or

Diamonds Price 4620 6210 5150 5250 4840 6320 5450 5620 6140 5850 5640 6575 5940 5850 5825 5820 6850 6010 5960 5980 6330 5990 5995 6360 5300