bone density is a relatively new drug diseases. This prednisone, a corticosteroi

Question

bone density is a relatively new drug diseases. This prednisone, a corticosteroid that can cause to develope osteoporosis, ow cats if the used for prolonged time period. are comparing a group receiving prednisolone of 30 cats receiving a placebo. The cats receiving a placebo will serve as receiving abone scan done bone density a placebo. Ho: Cats receiving prednisolone will not have a dinerent bone density than cats receiving a placebo. HA: Cats receiving prednisolone will have a different bone density than cats receiving a placebo. Rep Control Prednisolone 0.5 0.49 0.51 0.52 0.47 0.44 0.49 0.39 0.51 0.53 0.58 0.47 0.5 10 0.49 0,5 12 0,41 047 13 0.47 14 0.48 15 0,49 16 17 0.57 0.49

Explanation / Answer

Using Minitab:

Descriptive Statistics: Control, Prednisolone

              Total
Variable     Count   N    N*     Mean    StDev
Control                 30 30 0    0.50267    0.04017
Prednisolone       30 30     0    0.4790     0.0646

Since it is not given that variances are equal so degree of freedom of the test is

So df is 48.

And test statistics will be

From t tbale p-value lies between 0.05<p<0.10.

Since p-value is greater than 0.05 so we fail ot reject the null hypothesis.

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