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How can I calculate the standard deviation for an average in a pivot table?
Solved by C. B. in 22 mins
Average weekly manufacturing earnings were \$480 and the standard deviation was \$72. A recent sample of 36 resulted in a mean of \$450. The standard deviation has not changed. Test the null hypothesis by using 95% level of significance whether average weekly earnings changed.
Solved by O. S. in 25 mins
I'm trying to calculate the standard deviation for an average that I've calculated in a pivot table
Solved by D. C. in 11 mins
Complete the Statistics Table, at the bottom of the sheet, by calculating the average, standard deviation, median, minimum and maximum (rows 103 107) for AS1, AS2, AS3 and the Overall Average columns
Solved by M. E. in 30 mins
i am plotting a scatter graph with smooth lines of average data against time, i would like to add a standard deviation line parallel to the average but not as an error bar
Solved by M. Q. in 29 mins