Basic Business Statistics, Student Value Edition
14th Edition
ISBN: 9780134685113
Author: Mark L. Berenson, David M. Levine, David F. Stephan, Kathryn Szabat
Publisher: PEARSON
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Chapter 1, Problem 26PS
The cellphone brands owned by a sample of 20 respondents were:
Apple, Samsung Appel, Nokia, Blackberry, HTC, Apple, Samsung, HTC, LG, Blueberry, Samsung, Samsung, APPLE, Motorola, Apple, Samsun, Apple, Samsung
a. Clean these data and identify any irregularities in the data.
b. Are these any missing values in this set of 20 respondents? Identify the missing values.
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Students have asked these similar questions
Martinez Auto Supplies has retail stores located in eight cities in California. The price they charge for a particular product in each city are vary because of differing competitive conditions. For instance, the price they charge for a case of a popular brand of motor oil in each city follows. Also shown are the number of cases that Martinez
Auto sold last quarter in each city.
City
Price ($)
Sales (cases)
Bakersfield
34.99
501
Los Angeles
38.99
1425
Modesto
36.00
294
Oakland
33.59
882
Sacramento
40.99
715
San Diego
38.59
1088
San Francisco
39.59
1644
San Jose
37.99
819
Compute the average sales price per case for this product during the last quarter? Round your answer to two decimal places.
Consider the following data and corresponding weights.
xi
Weight(wi)
3.2
6
2.0
3
2.5
2
5.0
8
a. Compute the weighted mean (to 2 decimals).
b. Compute the sample mean of the four data values without weighting. Note the difference in the results provided by the two computations (to 3 decimals).
Expert only,if you don't know it don't attempt it, no Artificial intelligence or screen shot it solving
Chapter 1 Solutions
Basic Business Statistics, Student Value Edition
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