Question

- A car dealer believes that average daily sales for four different dealerships in four separate states are equal. A random sample of days results in the following data on daily sales:

Ohio |
New York |
West Virginia |
Pennsylvania |

3 | 10 | 3 | 20 |

2 | 0 | 4 | 11 |

6 | 7 | 5 | 8 |

4 | 8 | 2 | |

4 | 0 | 14 | |

7 | |||

2 |

Use ANOVA to test this claim at the 0.05 level ( SOLVE BY HAND, NOT BY USING EXCEL)

Answer #1

A car dealer believes that average daily sales for four
different dealerships in four separate states are equal. A random
sample of days results in the following data on daily sales:
Ohio New York West Virginia Pennsylvania
3 10 3 20
2 0 4 11
6 7 5 8
4 8 2
4 0 14
7
2
Use ANOVA to test this claim at the 0.05 level.
Then use Excel to support you answers to this question. Submit
your completed...

A car dealer believes that average daily sales for four
different dealerships in four separate states are equal. A random
sample of days results in the following data on daily sales:
Ohio: 3, 2, 6, 4, 4, 7, 2
New York: 10, 0, 7, 8, 0, Blank, Blank
West Virginia: 3, 4, 5, Blank, Blank, Blank, Blank
Pennsylvania: 20, 11, 8, 2, 14, Blank, Blank
Use ANOVA to test this claim at the 0.05 level.
Use Excel to support you...

Sales volume last weekend for a sample of ten car dealerships
were as follows:
Data Point
1
2
3
4
5
6
7
8
9
10
# Sales
44
12
20
49
23
30
34
21
14
36
What is the standard deviation of the sample
data?
Please round your answer to the nearest tenth.
Note that the correct answer will be evaluated based on the
full-precision result you would obtain using Excel.

Sales volume last weekend for a sample of ten car dealerships
were as follows:
Data Point
1
2
3
4
5
6
7
8
9
10
# Sales
21
10
19
35
23
34
44
29
15
30
What is the variance of the sample data?
Please round your answer to the nearest tenth.
Note that the correct answer will be evaluated based on the
full-precision result you would obtain using Excel.

Sales volume last weekend for four samples, each consisting of
five car dealerships, were as follows:
Data Point
1
2
3
4
5
Sample 1
22
34
18
27
31
Sample 2
45
28
35
46
12
Sample 3
50
37
21
33
15
Sample 4
26
41
38
26
21
What is the standard deviation of the distribution of
sample means?
Please round your answer to the nearest tenth.
Note that the correct answer will be evaluated based on...

Sales volume last weekend for four samples, each consisting of
five car dealerships, were as follows:
Data Point
1
2
3
4
5
Sample 1
37
15
43
25
21
Sample 2
38
31
12
19
28
Sample 3
16
21
45
32
25
Sample 4
19
10
45
37
22
What is the mean of the distribution of sample
means?
Please round your answer to the nearest tenth.
Note that the correct answer will be evaluated based on the...

Listed below is the population by state for the 15 states with
the largest population. Also included is whether that state's
border touches the Gulf of Mexico, the Atlantic Ocean, or the
Pacific Ocean (coastline).
Rank
State
Population
Coastline
1
California
38,802,500
Yes
2
Texas
26,956,958
Yes
3
Florida
19,893,297
Yes
4
New York
19,746,227
Yes
5
Illinois
12,880,580
No
6
Pennsylvania
12,787,209
No
7
Ohio
11,459,163
No
8
Georgia
10,097,343
Yes
9
North Carolina
9,943,964
Yes
10
Michigan
9,909,877...

Monette Motors is a chain of car dealerships. Sales in the
fourth quarter of last year were $4,100,000. Suppose management
projects that its current year's quarterly sales will increase by
6% in quarter 1, by another 5% in quarter 2, by another 7% in
quarter 3, and by another 3%in quarter 4. Management expects cost
of goods sold to be 45% of revenues every quarter, while operating
expenses should be 30% of revenues during each of the first two
quarters,...

Data showing the population by state in millions of people
follow (The World Almanac, 2012). The dataset in Excel file
2012Population.xlsx.
a. Develop a frequency distribution, a percent frequency
distribution, and a histogram. Use a class width of 2.5
million.
b. Does there appear to be any skewness in the distribution?
Explain.
c. What observations can you make about the population of the 50
states?
State
Population
Alabama
4.8
Alaska
0.7
Arizona
6.4
Arkansas
2.9
California
37.3
Colorado
5
Connecticut...

A fast food chain wants to compare daily sales during three
types (A,B,C) of sales promotions. The sales promotions were
employed in four different cities, and the orders of promotions
were randomly assigned within each city. The amount of sales (in
thousands of dollars) for one store in each city was measured. Test
if the mean amount of sales for the three types of promotions are
different.
A
B
C
City 1
5
6
4
City 2
3
7
3...

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