Basic Business Statistics Student Value Edition Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (13th Edition)
13th Edition
ISBN: 9780133873641
Author: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
Publisher: PEARSON
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Question
Chapter 19, Problem 33PS
a.
To determine
Estimate the percentage of bolts that are within specifications.
b.
To determine
Compute
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a.In an aquaculture study the following variables were measured on each fish: sex. Initial weight (g), bodytemperature (C), weight gain (g). For each variable indicate the scale of measurement.
(b) A weed killer is to be applied at a rate of two ounces per 1000gallons of water (2oz/1000gallons). What is the application rate in ml/1000litrtrs if there are 28.375 ml/oz and 4.5liters/gallon?
(c) The term test scores of 15 students enrolled in a Business statistics class were recorded inascending order as follows 4, 7, 7, 9, 10, 11, 13, 15, 15, 15, 17, 17, 19, 19, 20. After calculatingthe mean, median and the mode an error is discovered: one of the 15’s is really a 17. Of the threemeasures of central tendency which will change?
(d) A student discovers that his grade on a recent test was the 72 nd percentile. If 90 students wrotethe test, then approximately how many students received a higher grade than he did?
For each of the questions 1-4, answer the following (a-h are steps in a Hypothesis Test, see page 376 of your ebook). For steps f and g do both the p-value
method and the critical value method:
a) Claim in English:
b) Claim in Symbolic Form:
c) Null and Alternate Hypothesis:
d) Significance Level:
e) Test Statistic:
f) Find Values:
g) Make a Decision:
h) Restate the Decision in Nontechnical Terms:
i) If this is a statistically significant result, is it also a practically significant result?
Chapter 19 Solutions
Basic Business Statistics Student Value Edition Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (13th Edition)
Ch. 19 - Prob. 1PSCh. 19 - Prob. 2PSCh. 19 - Prob. 3PSCh. 19 - Prob. 4PSCh. 19 - Prob. 5PSCh. 19 - Prob. 6PSCh. 19 - Prob. 7PSCh. 19 - Prob. 8PSCh. 19 - Prob. 9PSCh. 19 - Prob. 11PS
Ch. 19 - Prob. 12PSCh. 19 - Prob. 13PSCh. 19 - Prob. 14PSCh. 19 - Prob. 15PSCh. 19 - Prob. 16PSCh. 19 - Prob. 17PSCh. 19 - Prob. 18PSCh. 19 - Prob. 19PSCh. 19 - Prob. 20PSCh. 19 - Prob. 21PSCh. 19 - The manager of a branch of a local bank has the...Ch. 19 - Prob. 23PSCh. 19 - Prob. 24PSCh. 19 - The data in Tensile represent the tensile...Ch. 19 - Prob. 26PSCh. 19 - Prob. 27PSCh. 19 - A manufacturing company makes brackets for book...Ch. 19 - Prob. 29PSCh. 19 - Prob. 30PSCh. 19 - Prob. 31PSCh. 19 - Prob. 32PSCh. 19 - Prob. 33PSCh. 19 - Prob. 34PSCh. 19 - Refer to Problem 19.22 concerning waiting time for...Ch. 19 - Prob. 36PSCh. 19 - Prob. 37PSCh. 19 - Prob. 38PSCh. 19 - Prob. 39PSCh. 19 - What is the difference between attribute control...Ch. 19 - Prob. 41PSCh. 19 - Prob. 42PSCh. 19 - Prob. 43PSCh. 19 - Prob. 44PSCh. 19 - Prob. 45PSCh. 19 - Prob. 46PSCh. 19 - Suppose that you have been hired as a summer...Ch. 19 - Prob. 48PSCh. 19 - Prob. 49PSCh. 19 - Prob. 50PSCh. 19 - Prob. 51PSCh. 19 - Prob. 52PSCh. 19 - Prob. 53PSCh. 19 - Prob. 54PSCh. 19 - Prob. 55PS
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