Answered: 1. The following histogram represents… | bartleby

Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 94E

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Solved alll plzzz

1. The following histogram represents the number of pages in each book within a collection. What is
the frequency of books containing at least 250 but fewer than 400 pages?
100 150 200 250 300 350 400 45O
Answer:
2. What type of relationship is indicated in the scatterplot?
25
20
15
10
45
50
55
60
65
70
A. No relationship
B. A negative linear relationship
C. A positive linear relationship
D. A positive curvilinear relationship
Answer:ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ.
3. Which of the following do outliers influence the most?
A. Mode
B. Median
C. 75th percentile
D. Average
Answer:
Count

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Given the following pairs of value of the variables: Advertisement expenses and revenue generation (in million) of a hospital:(a) make a scatter diagram.,(b) Do you think that there is any relationship between the variables?(c) Is it positive or negative?(d) is it high or low? and,(e) by graphic inspection draw an estimated line First 3 questions have been answered, subparts to be answered only ( D, E ) Advertisement expenses in million 2 3 5 6 8 9 Revenues generated in millions 6 5 7 8 12 11
Without doing any calculations, what type of a relationship exists between the pairs of observations? X Y 2 128 20 72 3 144 18 81 1 142
Given the following pairs of value of the variables: Advertisement expenses and revenue generation (in million) of a hospital: (a) make a scatter diagram., (b) Do you think that there is any relationship between the variables? (c) Is it positive or negative? (d) is it high or low? and, (e) by graphic inspection draw an estimated line
A data set is given below x 1 1 4 5 6 6 y 5.3 6.6 4.8 3.2 2.3 2.6 a) There appears to be a linear negative relationship. b) Given that x = 3.8333, sx = 2.3166, y = 4.1333, sy = 1.7014, and r = -0.9421 y = -0.692x + (6.786) c) choose the correct graph below. (answer a, b, c, or d)
A pediatrician wants to determine the relation that exists between a child's height, x, and head circumference, y. She randomly selects 11 children from her practice, measures their heights and head circumferences, and obtains the accompanying data. Height (inches), x Head Circumference (inches), y28 17.624.75 17.225.75 17.226 17.625 17.127.75 17.726.75 17.427 17.626.75 17.426.75 17.627.5 17.6 1. ŷ= ___x+ _____ 2. Compute the linear correlation coefficient between the height and head circumference of a child.…
A group of 11 students was selected at random and asked for their high school GPA and their freshmen GPA in college the subsequent year. The results were: Student High School GPA Freshmen GPA1 2.0 1.62 2.2 2.03 2.6 1.84 2.7 2.85 2.8 2.16 3.1 2.07 2.9 2.68 3.2 2.29 3.3 2.610 3.6 3.0I would like to know whether there is a linear relationship between the high school GPA and the college freshmen GPA, and we would like to be able to predict the freshmen GPA, if we know that the high school GPA…
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A professor at Ltts College is interested in the relationship between hours spent studying and total points earned in a course. Data collected on 10 students who took the course last quarter are given below. Student No. Hours Spent Studying Total Points Earned 1 25 18 2 10 13 3 70 53 4 40 43 5 85 68 6 45 28 7 70 68 8 60 58 9 35 23 10 55 43 1. Does the scatter plot suggest a linear relation between Hours (X) and Points (Y)? A.X and Y are related, but not linearly related. B.There is a strong linear relationship between X and Y. C. X and Y do not seem to be linearly related as seen from the scatter plot. D.There is a weak linear relationship between X and Y. 1a. By looking at the scatter plot, would you think X and Y are positively or negatively correlated? A. Positively B. Negatively
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Given are five observations for two variables, x and y. xi 5 13 7 21 19 yi 59 42 55 10 29 -select your answer- choices: a. (A, B, C, D) the different graphs are being attached b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? There appears to be a (positive, negative) linear relationship between x and y. c. Try to approximate the relationship between x and y by drawing a straight line through the data. (Many different straight lines can be drawn, Only one straight line can be drawn, A straight line cannot be drawn) to provide a linear approximation of the relationship between x and y. D & E questions are being attached. Thank you!

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