Question
In: Statistics and Probability
5. Use the data set given below to answer these questions: (24 marks) Income 52.1 49.3...
5. Use the data set given below to answer these questions:
Income
52.1 49.3 48.9 44.4 53.5 48.0
49.2 50.6 53.2 43.7 46.9 45.5
50.1 48.1 52.7 49.5 44.5 52.0
51.1 54.9 54.0 54.2 44.2 47.2
51.9 52.8 52.3 53.6 44.2 38.4
a. What is the sample mean of the variable Income?
b. What is the sample median the variable Income?
c. Find the range of Income.
d. Find the sample standard deviation of Income.
e. Compute the first and third quartile of Income
f. What is the IQR for Income?
g. Give the five-number summary for Income.
h. Use the IQR rule to determine whether there are outliers
for Income.
Solutions
orchestra answered 1 year agoRelated Solutions
5. Use the data set given below to answer these questions: (24 marks) Income 52.1 49.3...
5. Use the data set given below to answer these questions:
Income
52.1 49.3 48.9 44.4 53.5 48.0
49.2 50.6 53.2 43.7 46.9 45.5
50.1 48.1 52.7 49.5 44.5 52.0
51.1 54.9 54.0 54.2 44.2 47.2
51.9 52.8 52.3 53.6 44.2 38.4
a. What is the sample mean of the variable Income?
b. What is the sample median the variable Income?
c. Find the range of Income.
d. Find the sample standard deviation of Income.
e. Compute the first and...
Given the data set below, use it to answer the following questions: 10, 20, 30, 40,...
Given the data set below, use it to answer the following
questions:
10, 20, 30, 40, 50
a. Find the standard deviation
b. Add 5 to each data set value and find the standard
deviation.
c. Subtract 5 from each value and find the standard
deviation.
d. Multiply by 5 on each value and find the standard
deviation.
e. Divide by 5 on each value and find the standard
deviation.
f. Generalize the results in parts a-e.
Using data set E, answer the questions given below. DATA SET E Microprocessor Speed (MHz) and...
Using data set E, answer the questions given below.
DATA SET E Microprocessor Speed (MHz) and
Power Dissipation (watts) (n = 14 chips)
Chip
Speed (MHz)
Power (watts)
1989 Intel 80486
20
3
1993 Pentium
100
10
1997 Pentium II
233
35
1998 Intel Celeron
300
20
1999 Pentium III
600
42
1999 AMD Athlon
600
50
2000 Pentium 4
1300
51
2004 Celeron D
2100...
Consider the two separate samples given in the data set (samplecomparison.xlsx). Answer the questions below. Data...
Consider the two separate samples given in the data set
(samplecomparison.xlsx). Answer the questions below. Data listed
below.
The range of the first data set is _____ .
The variance of the first data set is ____ . (Round to three
decimal places as needed)
The standard deviation of the first data set is _____ . (Round
to three decimal places as needed)
The range of the second data set is _____ .
The variance of the second data set...
Multiple Choice (20 marks) Query Questions (use the tables below to answer the 5 query questions...
Multiple Choice
Query Questions (use the tables below to answer the 5
query questions below)
The Business. A retail company sells
electronics items by phone and on its web site. The company records
information about each item sold in a table called Sales. A few
rows of the Sales table in the database are shown below:
Sales table (primary key = SaleID and
ItemID)
SaleID
ItemID
CustomerID
ItemType
SaleDate
101
151
52
4
1/1/2019
101
176
52
1
1/1/2019
102...
annual income for Americans in 2012. Use the data set to answer the following questions: Hint:...
annual income for Americans in 2012. Use the data set to answer
the following questions: Hint: Use Excel
Data set
income (in dollars)
45000
21750
18750
37500
100000
120000
27500
67500
55000
100000
27500
18750
67500
120000
55000
55000
21750
13750
55000
2000
67500
140000
55000
45000
82500
13750
23750
67500
100000
21750
37500
45000
45000
82500
82500
175000
120000
67500
2000
45000
18750
32500
4500
13750
5500
32500
45000
18750
100000
16250
13750
21750
45000
37500
18750
67500
27500...
Use the following data to answer the questions below:
Use the following data to answer the
questions below: Q
VC
MC
AVC
1
$10
___
___
2
16
___
___
3
20
___
___
4
25
___
___
5
31
___
___
6
38
___
___
7
46
___
___8
55
___
___9
65
___
___ a. Calculate the marginal cost and
average variable cost for each level of production.b. How much would the firm produce if
it could sell its product for...
5. Use the given data set to complete parts (a) through (c) below. (Use a=0.05.) x ...
5. Use the given data set to complete parts (a) through (c)
below. (Use a=0.05.)
x
y
10
7.45
8
6.77
13
12.75
9
7.11
11
7.81
14
8.84
6
6.08
4
5.39
12
8.14
7
6.43
5
5.73
a. Construct a scatterplot
Find the linear correlation coefficient, r, then determine
whether there is sufficient evidence to support the claim of a
linear correlation between the two variables.
The linear correlation coefficient is r=_____.
(Round to three decimal places as...
Use the following set of Data Management final examination scores to answer the questions below: 92,...
Use the following set of Data Management final examination
scores to answer the questions below:
92, 48, 83, 62, 76, 64, 81, 98, 70, 70, 55, 83, 46, 79, 70, 97,
91, 53, 86, 89
a. Determine the mean, median, mode, range, and standard
deviation.
b. Find Q1 and Q3 and state the IQR. Determine if there are any
outliers.
c. Construct a box and whisker plot (by hand or using
technology).
d. Construct a histogram. Describe the shape of...
For questions 1-5 (and additional practice question if desired) please use the below data set: Seattle...
For questions 1-5 (and additional practice question if desired)
please use the below data set: Seattle is known for its love of
coffee (after all its where Starbucks originated). We sampled one
hundred people in the city of Seattle asking them how much they
spend a month on coffee in dollars. Our responses are listed
below:
31 18 94 50 72 86 21 38 24 38
11 51 69 50 91 32 41 88 20 36
53 20 36 21...
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