6.1 4) Several brands of peanut butter were rated for quality. The following graph compares the priceper ounce (in cents) and the quality rating (scale of 0= lowest to 100 = highest) for each ofthese brands of peanut butter.a) Identify the explanatory and response variables for this situation.Peanut Butter40Qualityb) Describe what the scatterplot shows. (Address: strength, outliers, form and direction)K里MhpPrice70*90

Given that several brands of peanut butter were rated for quality. The following graph compares the…

Answered: 6.1 4) Several brands of peanut butter…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work per week. Describe any patterns. 40 40 44 48 38 40 36 50 32 36 40 35 30 26 40 36 40 36 40 33 40 32 38 29 Determine the leaves in the stem-and-leaf plot below. Key: 313 = 33 Hours worked What best describes the data? O A. Most nurses work between 40 and 50 hours per week, inclusive. O B. Most nurses work between 30 and 40 hours per week, inclusive. OC. Most nurses work over 40 hours per week. O D. Most nurses work under 40 hours per week. 0
L. Construct the scatter plot of the given table using MS Excel or manually draw a scatter plot. Identify the type of association. Attached the paper the contains the scatter plot in this activity sheet. 1. The table below shows the number of hours of study of 6 students and their corresponding grades Hours of Study (X) Grade (V) 6 82 Student A B C D E F 2 1 5 2 3 57 88 68 75
A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference and obtains the data shown below. Height Head Circumference 27 17.5 25 17 26.5 17.2 25.5 17 27.75 17.4 26.25 17.4 26 17.1 27.25 17.4 data table n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374 29 0.367 30 0.361 compute the linear correlation coefficient between the height and head circumference of a child. r = ____ (round to three decimal places as…
The Big Mac index is a way of measuring Purchasing Power Parity (PPP) between different countries. By diverting the average national Big Mac prices to U.S. dollars, the same goods can be informally compared. The Big Mac can also be a good indicator for the individual purchasing power of an economy since he exists worldwide in standard size, composition and quality. Price # of Countries Rel. f. Cum. f 1.50-1.99 2 2.00-2.49 4 2.50-2.99 7 3.00-3.49 9 3.50-3.99 7 4.00-4.49 8 4.50-4.99 9 5.00-5.49 7 5.50-5.99 1 6.00-6.49 2 6.50-6.99 1
show every detail.
Use the stem-and-leaf plot to list the actual data entries. What is the maximum data entry? What is the minimum data entry? Key: 2 | 7=27 27 3 2 4 1224779 5 011233 3 4 4 4 4 56 689 6 999 7 399 8 5 Choose the correct actual data entries below. O A. 27, 32, 41, 42, 42, 44, 47, 47, 49, 50, 51, 51, 52, 53, 53, 53, 54, 54, 54, 54, 55, 56, 56, 58, 59, 69, 69, 69, 73, 79, 79, 85 B. 27, 32, 41, 42, 44, 47, 49, 50, 51, 52, 53, 54, 55, 56, 58, 59, 69, 73, 79, 85 OC. 2.7, 3.2, 4.1, 4.2, 4.4, 4.7, 4.9, 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.8, 5.9,6.9, 7.3, 7.9, 8.5 O D. 2.7, 3.2, 4.1, 4.2, 4.2, 4.4, 4.7, 4.7, 4.9, 5.0, 5.1, 5.1, 5.2, 5.3, 5.3, 5.3, 5.4, 5.4, 5.4, 5.4, 5.5, 5.6, 5.6, 5.8, 5.9, 6.9, 6.9, 6.9, 7.3, 7.9, 7.9, 8.5 The maximum data entry is The minimum data entry is
2. Create a box and whisker plot based on the data below: 12 11 15 12 19 20 19 14 18 15 16
The most important aspects of variable distribution are: a. Histogram, bar diagram, pie chart, leaf and stem b. Form, center and extension c. It’s cases and categories d. Form and type of variable
Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work per week. Describe any patterns. 40 30 40 43 48 35 40 36 52 32 36 40 35 25 40 36 40 36 40 33 40 32 38 49 Determine the leaves in the stem-and-leaf plot below. Key: 313 = 33 Hours worked 2 What best describes the data? A. Most nurses work between 40 and 50 hours per week, inclusive. OB. Most nurses work over 40 hours per week. OC. Most nurses work between 30 and 40 hours per week, inclusive. OD. Most nurses work under 40 hours per week. 0
Scenario: A pediatrician wants to determine the relation that may exist between a child’s height and head circumference. She randomly selects eleven 3-year old children from her practice, measures their heights and head circumference, and obtains the data shown below: Child’s Height and Head Circumference Height (inches) Head Circumference (inches) 27.75 17.6 24.5 17.3 25.5 17.4 26 17.5 25 17.1 25.75 17.8 26.5 17.5 27 17.7 26.75 17.5 26.75 17.8 27.5 17.7 If the pediatrician wants to use height to predict head circumference, determine which variable is the explanatory variable and which is response variable. Draw a scatter diagram of the data. Draw the best fit line on the scatter diagram. Does this scatter diagram show a positive, negative, or no relationship between a child’s height and the head circumference?
We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has. 1. Before we open the data set, what is our population, our sample, and our parameter of interest? 2. Using the graph, describe any significant features of the data set. What shape does it have? What is the range of the number of Facebook friends? Are there any outliers?
Draw a Box Plot and identify outliers (if any):-1, -11.7, -19, 20, 21, 30, 5, 7, 9.7, 13.1, 17.5, -7, 13, 7

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