Question
In: Statistics and Probability
The following table shows the average petrol price and the number of online shopping orders over...
The following table shows the average petrol price and the number of online shopping orders over a given month: Petrol Price and Online Shopping Average Petrol Price per gallon over a month ($) Number of Online Shopping Orders
1.57 1,398
4.8225 4,109
2.2725 2,257
3.42 2,644
3.2225 3,257
4.3175 3,530
1.3275 1,791
3.68 3,859
4.3025 3,544
2.065 2,173
The relationship between the average petrol price and the number of online shopping orders in a given month is proposed to follow the simple regression equation below: show variables y^ = b0 + b1x Calculate the percentage of variability in the number of online shopping orders that is not explained by the average petrol price. Give your answer as a percentage to 1 decimal place. Percentage = %
Solutions
Expert Solution
2)
| SST=Syy= | 77,94,661.60 | |
| SSE =Syy-(Sxy)2/Sxx= | 883947.7229 | |
| SSR =(Sxy)2/Sxx = | 69,10,713.88 |
percentage of variability in the number of online shopping orders that is not explained by the average petrol price
=(SSE/SST)*100 =11.3%
orchestra answered 2 years agoRelated Solutions
The following table shows the average petrol price and the number of online shopping orders over...
The following table shows the average petrol price and the
number of online shopping orders over a given month:
Petrol Price and Online Shopping
Average Petrol Price
per gallon over a month ($)
Number of Online
Shopping Orders
3.8025
3,860
4.975
4,172
1.525
1,389
3.81
3,766
1.515
2,072
4.0275
3,286
4.7075
3,840
4.8725
4,688
1.7425
1,795
1.3225
1,539
The relationship between the average petrol price and the number
of online shopping orders in a given month is proposed to follow...
The table below shows the price of petrol for a week. Day Monday Tuesday Wednesday Thursday...
The table below shows the price of petrol for a week.
Day Monday Tuesday Wednesday
Thursday Friday Saturday Sunday
Price of Petrol (per Liter) 1.57
1.85
1.86
1.94
1.49 1.66 1.69
a) Using a 4-day Moving Average to forecast the
petrol price on Saturday, and calculate the forecast error.
b) Given the exponential smoothing constant ? = 0.3,
the petrol price on Saturday, and the forecast petrol price on
Saturday (from (a)), forecast the petrol price on Sunday by using...
Q1: The following table shows average income of buyers, the price of good G, the price...
Q1: The following table shows average income of buyers, the
price of good G, the price of good H, the quantity demanded
(QD) of good G and the quantity demanded (QD)
of good H for 5 periods. Use the information in the table to answer
the following questions. Do not round your answers early because
your final results will be less accurate.
Period
Average Income
Price of Good G
Price of Good H
QD of
Good G
QD of
Good...
The following table shows the average stock price, in dollars, of XYZ Corporation in the given...
The following table shows the average stock price, in dollars,
of XYZ Corporation in the given month.
Month
Stock
price
January
2011
$43.73
February
2011
$44.23
March 2011
$44.42
April 2011
$45.21
May 2011
$45.92
(a) Find the equation of the regression line. (Let P be
the stock price in dollars and t the time in months since
January, 2011. Round the regression coefficients to three decimal
places.)
P(t) =
The remaining problems will refer to the following table, which shows the average price of one...
The remaining problems will refer to the following table, which
shows the average price of one gallon of gas in the United States
over the past few weeks. (Data from ycharts.com/indicators/us gas
price)
Date March 2 March 9 March 16 March 23 March 30
Price per gallon $2.514
$2.468
$2.343
$2.217 $2.103
Let f(t) be the price of one gallon of gas t days after February
29. (So, for example, the table shows that f(9) = 2.468.) Estimate
f′(30).
Use...
The following table shows data on the average number of customers processed by several bank service...
The following table shows data on the average number of
customers processed by several bank service units each day. The
hourly wage rate is $15, the overhead rate is 1.2 times labor cost,
and material cost is $4 per customer.
Unit
Employees
Customers Processed / Day
A
5
38
B
6
46
C
7
61
D
3
33
a. Compute the labor productivity and the multifactor productivity
for each unit. Use an eight-hour day for multifactor
productivity.(Round your "Labor Productivity"...
The following table shows the average retail price of butter and the Consumer Price Index from 1980 to 2010
The following table shows the average retail price of butter and the Consumer Price Index from 1980 to 2010, scaled so that the CPI 100 in 1980. 1980199020002010CPI100158.56208.98218.06Retail price of butter(salted, grade AA, per lb.)$1.88$1.99$2.52$2.88a. Calculate the real price of butter in 1980 dollars. Has the real price increased/decreased/ stayed the same from 1980 to 2000? From 1980 to 2010? b. What is the percentage change in the real price (1980 dollars) from 1980 to 2000? From 1980 to 2010? c. Convert the...
Over the last five semesters the following table shows the number of students who received each...
Over the last five semesters the following table shows the
number of students who received each grade for two 9:00 AM English
classes taught by different professors. Use Excel: Relative
Frequency.
Grade
Professor 1
Professor 2
A
56
37
B
78
83
C
73
89
D
29
25
F
11
13
Total
247
247
You are most likely to pass with a grade of C or higher from
[ Select ] ["either professor", "Professor 1", "Professor 2"]
and/or more...
The following table is used for a number of questions below. The table above shows the...
The following table is used for a number of questions below. The
table above shows the responses of a survey of teenagers aged 14-18
when asked at what age they thought they would become financially
independent.
Age of Financial Independence
Number of Responses
16-20
191
21-24
467
25-27
244
28 or older
42
What do the teens expect is the probability of being
financially independent before age 25?
A recent Gallup poll found that only 14 percent of 24- to...
The following table shows the weights (in pounds) and the number of hours slept in a...
The following table shows the weights (in pounds) and the
number of hours slept in a day by a random sample of infants. Test
the claim that
Mnot equals≠0.
Use
alphaαequals=0.10.1.
Then interpret the results in the context of the problem. If
convenient, use technology to solve the problem.
Weight, x
8.28.2
10.110.1
9.99.9
7.17.1
6.96.9
11.111.1
10.910.9
15.115.1
Hours slept, y
14.814.8
14.714.7
14.114.1
14.214.2
13.913.9
13.213.2
13.813.8
12.412.4
1. Identify the null and alternative hypotheses.
2. Calculate the...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- You are to start a new job earning $10 000 / month, plus allowances to the...
- Explain 4 differences in human resource's approach to expatriate employees.
- verify that multiplication of 2x2 matrices distributes from the right and from the left over addition...
- The gravitational attractive force between two bodies with masses m1 and m2 separated by a distance...
- This assignment is For a C++ class , I am having difficulty with getting the boolean...
- Jill Bartok is a line supervisor for an East Coast center for Speedy Delivery Services. This...
- Java Beginner a)Create a class named Student that has fields for an ID number, number of...
ADVERTISEMENT