Explain why statisticians use standard deviation

Assignment Help Basic Statistics

Reference no: EM13157080

The following quantities of coffee purchases were made at a coffee kiosk in the lobby of an office building over a 13-week period:

Week Purchases
Week 1 87
Week 2 81
Week 3 75
Week 4 75
Week 5 75
Week 6 70
Week 7 62
Week 8 62
Week 9 62
Week 10 62
Week 11 62
Week 12 56
Week 13 56

1.Calculate the mean, median, and mode for the data.

2.Prepare a frequency distribution for the data.

3.Calculate the standard deviation for this data.

4.Explain why statisticians typically use the standard deviation rather than the average deviation.

Reference no: EM13157080

Questions Cloud

How many different protein could be theoretically produced : How many different protein could be theoretically produced via alternative splicing from a eukaryotic gene containing 3 exons and 2 introns in this order Exon-intron-Exon-Intron-Exon?

Important role in american political process : Explain why interest groups play such an important role in the American political process. Explain how interest groups try to influence the president and cngress as these two branches work together to make policy.

How many dollars in interest will they pay : Which bank is giving the best deal? If they go with that bank, how many dollars in interest will they pay?

What is the amount of cash received by the seller : The seller paid transportation costs of $1,000 and issued a credit memorandum for $2,000 prior to payment. What is the amount of cash received by the seller if the invoice is paid within the discount period?

Explain why statisticians use standard deviation : Calculate the standard deviation for this data. Explain why statisticians typically use the standard deviation rather than the average deviation.

What is a possible problem with this method : A study of mRNA isolated from human brains, post mortem, has been used to analyze genes that may give rise to inherited mental conditions. What is a possible problem with this method. Explain.

Examples of chemical exposures-classes : List and discuss at least four examples of chemical exposures/classes and the associated skin layers affected; and, in addition, describe at least four populations at risk and their associated biological agents and conditions

Explain what numerical value will be used for the moles : Assume 1.00 mL = 1.00 g What numerical value will be used for the moles on the right hand side of the equation above?

Calculate the ph of a solution : calculate the pH of 50 ml of .15 M HCHO2 with 75 mL of .13 M NaCHO2

User Account

All Pages