1 answer

Need step 3 only. A manufacturer claims that the calling range (in feet) of its 900...

Question:

Need step 3 only.
A manufacturer claims that the calling range (in feet) of its 900 MHz cordless telephone is greater than that of its leading
Step 2 of 4: Compute the value of the ftest statistic Round your answer to three decimal places. Answer(How to Enter) 2 Point
Step 3 of 4: Determine the decision rule for rejecting the null hypothesis Ho Round your answer to three decimal places Answe
Step 4 of 4: State the tests conclusion. Answer 2 Points Tables Keypad rev Reject Null Hypothesis Fail to Reject Null Hypoth
A manufacturer claims that the calling range (in feet) of its 900 MHz cordless telephone is greater than that of its leading competitor. A sample of 15 phones from the manufacturer had a mean range of 1280 feet with a standard deviation of 21 feet. A sample of 10 similar phones from its competitor had a mean range of 1230 feet with a standard deviation of 40 feet. Do the results support the manufacturer's claim? Let , be the true mean range of the manufacturer's cordless telephone and Hy be the true mean range of the competitor's cordless telephone. Use a significance level of a = 0.01 for the test. Assume that the population variances are equal and that the two populations are normally distributed Step 1 of 4: State the null and alternative hypotheses for the test. Answer 2 Points Tables Keypad HOM= h Haimi> the Next
Step 2 of 4: Compute the value of the ftest statistic Round your answer to three decimal places. Answer(How to Enter) 2 Points Tables E Keypad 4.095
Step 3 of 4: Determine the decision rule for rejecting the null hypothesis Ho Round your answer to three decimal places Answer 2 Points m Tables Keypad Reject Hoift -
Step 4 of 4: State the test's conclusion. Answer 2 Points Tables Keypad rev Reject Null Hypothesis Fail to Reject Null Hypothesis

Answers

Answer: Step 3: - Test statistic ander Ho to I t= m tnta 2 01-22 spLIU ni nz - tcritical = tnith- 2 2 I Here ni=15 D 2=10 a=0

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