Problem 1: Using Symbols
Word-process the symbol
for population standard deviation (sigma) in the space
below:
Using
Subscripts
Word-process the symbol
for population standard deviation with subscript x (sigma subscript
x) in the space below:
Using
Equations
Word-process the following
five equations:
Using Drawing Tool to
Create Diagrams
Suppose in a large
department store, the average number of shoppers is 448, with a
standard deviation of 21 shoppers. We are interested in the
probability that a random sample of 49 different shoppers will
yield a sample mean between 441 and 446 shoppers. Create and attach
a normal curve to this document with the following elements: the
normal curve, a label of the average number of shoppers, and labels
for the sample means of 441 and 446
shoppers. Include all the appropriate
symbols.
Problem 2: Descriptive
Statistics
The monthly average low
temperatures* during different months of year at Manchester, NH are
given below:
|
January
|
February
|
March
|
April
|
May
|
June
|
|
5
|
8
|
18
|
29
|
40
|
50
|
|
July
|
August
|
September
|
October
|
November
|
December
|
|
55
|
53
|
44
|
32
|
24
|
12
|
Source: www.weather.com
Word-process your solutions and answers below. Copy and paste
your Excel work under the appropriate question below. Expand the
space as necessary.
a) Find the mean yearly low temperature based on the monthly
averages by applying the formulas (without using computer
software).
b) Find the standard deviation of the monthly low temperatures by
applying the formulas (without using computer software).
c)
If the above data was a sample, what would be the
sample standard deviation? Compute by applying the formulas
(without using computer software).
d) Copy and paste the data from this document to Excel. Use
functions in Excel to compute the mean, population standard
deviation and sample standard deviation. Copy and paste your
spreadsheet work into this Word document.
e) Create a histogram using MS Excel. Comment on the distribution
of monthly low temperatures. Copy and paste your spreadsheet work
into this Word document. Hint: use 9, 19, 29, 39, 49 for the
bins.
Show transcribed image text Word-process the symbol for population standard deviation (sigma) in the space below: Using Subscripts Word-process the symbol for population standard deviation with subscript x (sigma subscript x) in the space below: Using Equations Word-process the following five equations: Using Drawing Tool to Create Diagrams Suppose in a large department store, the average number of shoppers is 448, with a standard deviation of 21 shoppers. We are interested in the probability that a random sample of 49 different shoppers will yield a sample mean between 441 and 446 shoppers. Create and attach a normal curve to this document with the following elements: the normal curve, a label of the average number of shoppers, and labels for the sample means of 441 and 446 shoppers. Include all the appropriate symbols. Problem 2: Descriptive Statistics The monthly average low temperatures* during different months of year at Manchester, NH are given below: Word-process your solutions and answers below. Copy and paste your Excel work under the appropriate question below. Expand the space as necessary. Find the mean yearly low temperature based on the monthly averages by applying the formulas (without using computer software). Find the standard deviation of the monthly low temperatures by applying the formulas (without using computer software). if the above data was a sample, what would be the sample standard deviation? Compute by applying the formulas (without using computer software). Copy and paste the data from this document to Excel. Use functions in Excel to compute the mean, population standard deviation and sample standard deviation. Copy and paste your spreadsheet work into this Word document. Create a histogram using MS Excel. Comment on the distribution of monthly low temperatures. Copy and paste your spreadsheet work into this Word document. Hint: use 9, 19, 29, 39, 49 for the bins.
Word-process the symbol for population standard deviation (sigma) in the space below: Using Subscripts Word-process the symbol for population standard deviation with subscript x (sigma subscript x) in the space below: Using Equations Word-process the following five equations: Using Drawing Tool to Create Diagrams Suppose in a large department store, the average number of shoppers is 448, with a standard deviation of 21 shoppers. We are interested in the probability that a random sample of 49 different shoppers will yield a sample mean between 441 and 446 shoppers. Create and attach a normal curve to this document with the following elements: the normal curve, a label of the average number of shoppers, and labels for the sample means of 441 and 446 shoppers. Include all the appropriate symbols. Problem 2: Descriptive Statistics The monthly average low temperatures* during different months of year at Manchester, NH are given below: Word-process your solutions and answers below. Copy and paste your Excel work under the appropriate question below. Expand the space as necessary. Find the mean yearly low temperature based on the monthly averages by applying the formulas (without using computer software). Find the standard deviation of the monthly low temperatures by applying the formulas (without using computer software). if the above data was a sample, what would be the sample standard deviation? Compute by applying the formulas (without using computer software). Copy and paste the data from this document to Excel. Use functions in Excel to compute the mean, population standard deviation and sample standard deviation. Copy and paste your spreadsheet work into this Word document. Create a histogram using MS Excel. Comment on the distribution of monthly low temperatures. Copy and paste your spreadsheet work into this Word document. Hint: use 9, 19, 29, 39, 49 for the bins.
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