Null hypothesis can be rejected
True/False
In problem 18 if x-bar = 505 and s = 20, the null hypothesis can be rejected with the p = 0.0062
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When the height gain of each step was 0.20 m, and the man's mass was 57.0 kg, determine his average power output throughout the climb? Give your answer in both watts and horse-power.
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At 5% significance the fail to reject the test statistic for Ho: (u1-u2) = 0, Ha: (u1-u2) < 0, n1 = 8, n2 = 8, x1-bar = 53.6, x2-bar = 61.5, s1 = 12.5 and s2 = 10.6 is t = -1.36.
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When a 120 lb. soil is situated in the wheel-barrow with its center of gravity 1.5 ft. from the axle, what force is needed to mount the legs of the wheel-barrow?
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