Lower bound and upper bound? The data in the accompanying table represent the ra

Question

Lower bound and upper bound? The data in the accompanying table represent the rate of return of a certain company stock for 11 months, compared with the rate of return of a certain index of stocks. Both are in percent. Complete parts (a) through (d) below. Determine the P-value for this hypothesis test. P-value = 0.026 (Round to three decimal places as needed.) State the appropriate conclusion at the alpha = 0.10 level of significance. A. Do not reject H_0. There is not sufficient evidence to conclude that company stock. B. Do not reject H_0. There is sufficient evidence to conclude that a company stock C. Reject H_0. There is sufficient evidence to conclude that a linear stock. D. Reject H_0. There is not sufficient evidence to conclude that a linear stock. (c) Assuming the residuals are normally distributed, construct a 90% confidence Lower bound. 0.2376 (Round to four decimal places as needed.) Upper bound: 1.2920 (Round to four decimal places as needed.) (d) What is the mean rate of return for the company stock if the rate of

Explanation / Answer

using minitab,

Two-Sample T-Test and CI: x, y

Two-sample T for x vs y

N Mean StDev SE Mean
x 11 -0.54 3.55 1.1
y 11 0.82 4.09 1.2

Difference = (x) - (y)
Estimate for difference: -1.36
90% CI for difference: (-4.18, 1.46)
T-Test of difference = 0 (vs ): T-Value = -0.83 P-Value = 0.416 DF = 19

P-Value = 0.416

90% CI for difference: (-4.18, 1.46)

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