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Statistics: Informed Decisions Using Data | 5th Edition | ISBN: 9780134133539 | Authors: Michael Sullivan III ISBN: 9780134133539 240

Solution for problem 6 Chapter 14.2

Statistics: Informed Decisions Using Data | 5th Edition

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Statistics: Informed Decisions Using Data | 5th Edition | ISBN: 9780134133539 | Authors: Michael Sullivan III

Statistics: Informed Decisions Using Data | 5th Edition

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Problem 6

In Problems 3–6, use the results of Problems 5–8 in Section 14.1

6. Using the sample data from Problem 8 in Section 14.1,

(a) Predict the mean value of y if x = 1.8.

(b) Construct a 95% confidence interval for the mean value of y if x = 1.8.

(c) Predict the value of y if x = 1.8.

(d) Construct a 95% prediction interval for the value of y if x = 1.8.

Step-by-Step Solution:
Step 1 of 3

Chapter 2 2.1 Statistics is all about data: (nothing but counts and measurement) Data- Qualitative: names, labels, etc. Ex. Gender survey Quantitative: numerical  count (discrete), sibling survey (numerical discrete)  Measurement (continuous), height survey (numerical continuous) Examples: Exam 1 (2012) Q. 14.) B Q. 15.) C 2.2 Other forms: ordinal variable ex. Level of lower back pain Data Summary: Ex. Qualitative data- data consists of several levels. In the gender survey it was male and female. Information Content: counts or proportion (relative frequency of different levels) Store information by tabulating and or a bar graph (plot) Ex. Quantitative data. Continuous data: has infinitely many values. Data is subdivided into class intervals (bins) and tabulated. Plotted as a histogram. In a bar plot there is no order. In a histogram there is an order with no gaps) 2.3 Properties of a histogram 1.)Area of each bar = relative frequency (proportion) of data in the given interval. 2.)The total area of the histogram has to = 1.0 3.)The proportion data in a given interval (a, b) = total area of histogram over the interval (a, b) ex. Q12 ( to get this answer you add the two bars together to get 14 as an answer) &13 (sample size n= 6+9+12+10+4 = 41 then you take 14 over 41 x100 to get the percentage in the interval which is ~34) 2.4 Skewness: symmetric… is the left hand side of the graph a reflection of the right hand side of the graph If the graph is not symmetric, the graph could be skew

Step 2 of 3

Chapter 14.2, Problem 6 is Solved
Step 3 of 3

Textbook: Statistics: Informed Decisions Using Data
Edition: 5
Author: Michael Sullivan III
ISBN: 9780134133539

The answer to “?In 3–6, use the results of 5–8 in Section 14.16. Using the sample data from in Section 14.1,(a) Predict the mean value of y if x = 1.8.(b) Construct a 95% confidence interval for the mean value of y if x = 1.8.(c) Predict the value of y if x = 1.8.(d) Construct a 95% prediction interval for the value of y if x = 1.8.” is broken down into a number of easy to follow steps, and 66 words. Statistics: Informed Decisions Using Data was written by and is associated to the ISBN: 9780134133539. This full solution covers the following key subjects: . This expansive textbook survival guide covers 88 chapters, and 2422 solutions. The full step-by-step solution to problem: 6 from chapter: 14.2 was answered by , our top Statistics solution expert on 01/15/18, 03:19PM. This textbook survival guide was created for the textbook: Statistics: Informed Decisions Using Data, edition: 5. Since the solution to 6 from 14.2 chapter was answered, more than 202 students have viewed the full step-by-step answer.

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