State the point estimate

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Nine aluminum cans are sampled from a shipment and tested to determine the pressure they can withstand. The table below lists the pressures at which the 9 cans failed:

90     91     93     94     94     95     96     96     98

The standard deviation for this sample of cans is s = 2.522. Construct a 95% confidence interval. Round interim values to the nearest thousandth and your final interval to the nearest hundredth.

a. State the point estimate. x-bar = 

b. State degrees of freedom. df = 

c. State the critical value. t = 

d. State the standard error. Sx-bar = 

e. State the margin of error. E = 

f. State the confidence interval: ≤ μ ≤

Reference no: EM132402348

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