Question

Chapter 10, Section 10.2, Question P15 The thermostat in your lecture room is set at 72oF, but you think the thermostat isn't working well. On seven randomly selected days, you sit in the same seat near the thermostat and measure the temperature. Your measurements (in degrees Fahrenheit) are 72, 74, 70, 68, 69, 71, and 71. Compute the test statistic for testing whether the mean temperature at your seat is different from 72oF, and then find and interpret the P-value. Round your answer to 3 decimal places. If the mean temperature at your desk is actually 72oF, the probability that temperatures taken on seven randomly selected days would give a value of t greater than the absolute value of the test statistic or less than the negation of this value is about . the absolute tolerance is +/-0.003

Answer #1

the thermostat in your lecture room is set at 72°F, but you
think the thermostat isn’t working well. On seven randomly selected
days, you sit in the same seat near the thermostat and measure the
temperature. Your measurements (in degrees Fahrenheit) are 71, 73,
69, 68, 69, 70, and 71. For the hypothesis: H0: µ =
72° and HA: µ ¹ 72°, what
is the p-value and conclusion for your test using a 0.05
significance level?
With explanation of work

A medical researcher wants to determine whether a drug changes
the body’s temperature. Seven test subjects are randomly selected,
and the body temperature (in degrees Fahrenheit) of each is
measured. The subjects are then given the drug and after 20
minutes, the body temperature of each is measured again. The
results are listed below. Use significance level α = 0.05, and we
assume that the body temperatures are normally distributed.pleae
show work
t-Test: Paired Two Sample for Means
Initial Temperature...

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