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Statistical Techniques in Business and Economics
16th Edition
ISBN: 9780077639723
Author: Lind
Publisher: Mcgraw-Hill Course Content Delivery
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Question
Chapter 18, Problem 25CE
a.
To determine
Graph the data.
b.
To determine
Determine the least squares trend equation.
Identify the most accurate forecast.
c.
To determine
Compute the points for the years 1993 and 1998 using the equation with the logarithm of price.
d.
To determine
Estimate the selling price in 2015 using the equation with the logarithm of price.
Explain whether it is a reasonable estimate based on the historical data.
e.
To determine
Obtain the average amount of increase (or decrease) in stock price per year during the given period.
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Price/Book Value Ratio Return on Equity
13.032
1.405
8.305
2.113
6.654
1.239
3.262
2.449
5.291
2.398
7.719
0.353
2.569
7.593
5.104
2.012
4.797
2.182
4.129
1.918
1.549
1.951
5.046
2.417
2.159
3.011
1.725
5.582
4.698
Growth%
6.385
11.846 135.669
12.459
0.073
25.092
14.188
8.804
22.766
38.082
18.985
25.696
24.519
19.666
11.624
22.849
49.965
69.649 36.696
3.819 41.139
9.218
29.108
17.772
25.114
29.295 23.764
31.405
9.497
14.759
18.541
12.026
39.016
14.228
39.439
14.097
27.022
14.841
13.237
20.669
17.311
14.887
15.849
5.601
16.775
11.172
8.401
16.161
18.404
23.973 16.673
14.725 46.605
28.839
52.021
Eloise needs to finish a 516-page report on international trade so she can present it at the big conference this weekend. She's
been tracking her page count at the end of each business day to see if she's on track. Use Excel to fit a trendline to Eloise's data
to create a model of her productivity. According to your model, will Eloise be able to finish her report by the end of the day next
Friday? Assume she works only on weekdays.
Day
Pages
Monday
425
Tuesday 431
Wednesday 449
Thursday 464
Friday
471
A: Use Excel to fit a trendline to Eloise's data. What are the slope and intercept for this line?
The slope is
The intercept is
B: Use your model (trendline) to answer the question. Will Eloise finish her report by the end of next friday?
Yes
mex PLC has gathered following information on the sales of face mask from April 2020 to
september 2020.
Month Sales ($)
April 17,000
May 18,000
June 19,500
July 22,000
August 21,000
September 23,000
You are required to3;
a. Using linear trend equation forecast the sales of face masks for October 2020.
Chapter 18 Solutions
Statistical Techniques in Business and Economics
Ch. 18 - Prob. 1SRCh. 18 - Calculate a four-quarter weighted moving average...Ch. 18 - Prob. 2ECh. 18 - Prob. 2SRCh. 18 - Prob. 3ECh. 18 - Prob. 4ECh. 18 - Prob. 5ECh. 18 - Prob. 6ECh. 18 - Sales at Tomlin Manufacturing from 2009 to 2013...Ch. 18 - Prob. 7E
Ch. 18 - Prob. 8ECh. 18 - Prob. 4SRCh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 5SRCh. 18 - Prob. 11ECh. 18 - Prob. 12ECh. 18 - Refer to Exercise 9 regarding the absences at...Ch. 18 - Prob. 14ECh. 18 - Prob. 15ECh. 18 - Prob. 16ECh. 18 - Prob. 17CECh. 18 - Prob. 18CECh. 18 - Prob. 19CECh. 18 - Prob. 20CECh. 18 - Prob. 21CECh. 18 - Prob. 22CECh. 18 - Prob. 23CECh. 18 - Prob. 24CECh. 18 - Prob. 25CECh. 18 - Prob. 26CECh. 18 - Prob. 27CECh. 18 - The quarterly production of pine lumber, in...Ch. 18 - Prob. 29CECh. 18 - Sales of roof material, by quarter, for 2007...Ch. 18 - Blueberry Farms Golf and Fish Club of Hilton Head,...Ch. 18 - Prob. 32CECh. 18 - Ray Anderson, owner of Anderson Ski Lodge in...Ch. 18 - Prob. 34CECh. 18 - Prob. 35CECh. 18 - Prob. 36CECh. 18 - Consider the variable mean amount per transaction...Ch. 18 - Prob. 38CECh. 18 - Prob. 39DECh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 1.1PTCh. 18 - Prob. 1.2PTCh. 18 - Prob. 1.3PTCh. 18 - Prob. 1.4PTCh. 18 - Prob. 1.5PTCh. 18 - Prob. 1.6PTCh. 18 - Prob. 1.7PTCh. 18 - Prob. 1.8PTCh. 18 - Prob. 1.9PTCh. 18 - Prob. 1.10PTCh. 18 - Prob. 2.1PTCh. 18 - Listed below are the price and quantity of several...Ch. 18 - Prob. 2.3PT
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