Question

Advertising expenses are a significant component of the cost of
goods sold. Listed below is a frequency distribution showing the
advertising expenditures for 40 manufacturing companies. Estimate
the mean, median, and standard deviation of advertising expense.
**(Round the final answers to 2 decimal places.)**

Advertising Expenditure($ millions) |
Number of companies |

$25 to under $35 | 2 |

35 to under 45 | 8 |

45 to under 55 | 15 |

55 to under 65 | 10 |

65 to under 75 | 5 |

Total | 40 |

Mean

Median

Standard deviation

Answer #1

Advertising expenses are a significant component of the cost of
goods sold. Listed below is a frequency distribution showing the
advertising expenditures for 40 manufacturing companies. Estimate
the mean, median, and standard deviation of advertising expense.
(Round the final answers to 2 decimal places.)
Advertising Expenditure
($ millions)
Number of companies
$30 to under $40
6
40 to under 50
9
50 to under 60
12
60 to under 70
9
70 to under 80
4
Total
40
Mean ?...

Advertising expenses are a significant component of the cost of
goods sold. Listed below is a frequency distribution showing the
advertising expenditures for 78 manufacturing companies located in
the Southwest. The mean expense is $49.87 million and the standard
deviation is $11.68 million. Is it reasonable to conclude the
sample data are from a population that follows a normal probability
distribution?
Advertising Expense
($ Million)
Number
of Companies
25 up to 35
8
35 up to 45
20
45 up...

4.) Find the measures of center for following.
Data
Frequency
40 - 44
13
45 - 49
18
50 - 54
15
55 - 59
10
60 - 64
6
65 - 69
6
70 - 74
4
75 - 79
1
80 - 84
2
5.) Adult men have heights with a mean of 69.0 inches and a
standard deviation of 2.8 inches. Find the z-score of a man who is
62.5 inches tall. (to 4 decimal places)

The National Sporting Goods Association (NSGA) conducted a
survey of the ages of people that purchased athletic footwear in
2009. The ages are summarized in the following relative frequency
distribution. Assume the survey was based on 100 individuals.
Age of Purchaser
Percent
Under 14 years old
25
14 to 17 years old
6
18 to 24 years old
6
25 to 34 years old
14
35 to 44 years old
15
45 to 64 years old
27
65 years old...

The National Sporting Goods Association (NSGA) conducted a
survey of the ages of people that purchased athletic footwear in
2009. The ages are summarized in the following relative frequency
distribution. Assume the survey was based on 100 individuals.
Age of Purchaser
Percent
Under 14 years old
15
14 to 17 years old
4
18 to 24 years old
6
25 to 34 years old
15
35 to 44 years old
16
45 to 64 years old
28
65 years old...

John and Mary visited 29 randomly selected Starbucks locations
and recorded the number of cappuccinos sold at each coffee shop on
April 1st. They summarized the data in the following frequency
distribution table: (Variable ,Frequency) (0, 2 ) (1, 5) ( 2, 8)
(3, 10) (4, 4) (5, 2)
a. For this scenario, identify the following: • Variable •
Individual (Subject) • Sample • What percentage of Starbucks
locations sold at least 3 cappuccinos?
b. Calculate the sample mean. Note:...

1.) In a mid-size company, the distribution of the number of
phone calls answered each day by each of the 12 receptionists is
bell-shaped and has a mean of 48 and a standard deviation of 5.
Using the empirical rule, what is the approximate percentage of
daily phone calls numbering between 33 and 63?
Do not enter the percent symbol.
ans = %
2.) Approximate the mean for following GFDT.
Data
Frequency
30 - 34
1
35 - 39
1...

Using the class sample data, analyze the student heights by
completing the following. Please note the following directions.
The data below was collected from a group of 45 female students
last semester. You will use this data throughout the semester on
your lab assignments.
Student # Gender Height Shoe Age Hand
1 F 68 8.5 20 R
2 F 60 5.5 27 R
3 F 64 7 31 R
4 F 67 7.5 19 R
5 F 65 8 20...

You are currently working at NCLEX Memorial Hospital in the
Infectious Diseases Unit. Over the past few days, you have noticed
an increase in patients admitted with a particular infectious
disease. You believe that the ages of these patients play a
critical role in the method used to treat the patients. You decide
to speak to your manager, and together you work to use statistical
analysis to look more closely at the ages of these patients.
You do some research...

To see if a spinner that is divided into 100 equal sections
labeled 1 to 100 is fair, a researcher spins the spinner 1000 times
and records the result. Let X represent the outcome. The table
below shows the probability distribution of the data. Find the mean
and the standard deviation of the probability distribution using
Excel.
Round the mean and standard deviation to two decimal
places.
"x" P(x)
1 0.011
2 0.011
3 0.011
4 0.01
5 0.008
6 ...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 3 minutes ago

asked 6 minutes ago

asked 16 minutes ago

asked 16 minutes ago

asked 17 minutes ago

asked 23 minutes ago

asked 23 minutes ago

asked 23 minutes ago

asked 23 minutes ago

asked 24 minutes ago

asked 26 minutes ago

asked 30 minutes ago