How many terms are in the expression x^4-3x+2
1 answer:
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Answer:
98% Confidence interval: (31.74,38.4)
Step-by-step explanation:
We are given the following data set:
29, 38, 38, 33, 38, 21, 45, 34, 40, 37, 37, 42, 30, 29, 35
Formula:
where are data points,
is the mean and n is the number of observations.
Sum of squares of differences = 506.93
98% Confidence interval:
Putting the values, we get,
Thus, there is 98% confidence that the population mean number of minutes spent traveling by workers is between 31.74 mins and 38.40