The following sample of observations was randomly selected. x 5 3 6 3 4 4 6 8 y 13 15 7 12 13 11 9 5 Determine the correlation coefficient and interpret the relationship between x and y.
Q: A study was done to look at the relationship between number of movies people watch at the theater…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: For workers on an assembly line the number of weeks on the line, the explanatory variable, and the…
A: We have to interpret correlation coefficient.
Q: Match the following sample correlation coefficients with the explanation of what that correlation…
A: r=0 r=-0.97 r=-1 r=0.1 If r=1 then we can say that a perfect positive Correlation between x and y If…
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: State the hypotheses.
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A:
Q: FILE The following sample of observations was randomly selected. 4 5 6 10 y 4 6 7 Determine the…
A: Given data, X Y X*Y X*X Y*Y 4 4 16 16 16 5 6 30 25 36 3 5 15 9 25 6 7 42 36 49 10 7 70…
Q: The following table shows a sample dataset of observation values of an independent variable, x, and…
A:
Q: A researcher is interested in knowing if there is a relationship between the number of ounces in the…
A: Solution: 1. Let X be the ounces and Y be the price. The given data is
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: The following information has been given: Internet Users (x) Award Winners (y) 81 5.5 78.2…
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: Internet Users, X Award Winners, Y 81.1 5.6 79.1 9.1 56.2 3.3 66.7 1.7 78.2 10.7 38.9…
Q: Calculate the correlation coefficient, r. Round your answer to three decimal places.
A: By using online calculator
Q: The data set below represents a random sample of nine children. The children's age in months and…
A:
Q: A study was done to look at the relationship between number of lovers college students have had in…
A: 1. The correlation coefficient is -0.9001=-0.90 using the Excel formula “=CORREL(F1:F8,G1:G8)” 2)…
Q: listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: Given data shows numbers of Internet users per 100 people and numbers of scientific award winners…
Q: Consider the following sample data for two variables. 6 6 X y 8 8 5 4 2 7 7 7 a. Calculate the…
A: Here the given sample data of two variables are:-X : 8 , 8 , 5 , 7 , 6Y : 4 , 2 , 7 ,7 , 6Using…
Q: point with coordinates (1,10) and find the correlation coefficient r and determine whether there is…
A: Here the 10 points are as follows x y 1 10 8 1 8 2 8 3 9 1 9…
Q: 1) Compute and interpret the sample correlation coefficient for the five observations taken for two…
A:
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: The data for internet users and award winners are given.
Q: Which of the following denotes the strongest correlation? a. r = 0.54 b. r = -0.63 c. r = 0.43 d. r…
A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…
Q: onsider the following small data set. Subject x y 1 13 28 2 17 31 3 8 15 4 6 21 5 4 30 Find the…
A: Given: The data regarding x and y values are as follows x y 13 28 17 31 8 15 6 21 4…
Q: Five observations taken for two variables follow. 3 6 11 6 13 50 50 40 60 30 Compute the…
A: We have given the 5 observations for 2 variables. We have to compute the sample correlation…
Q: What is the relationship between the attendance at a major league ball game and the total number of…
A: The correlation coefficient is a statistical measure of the strength of the relationship between the…
Q: Listed below are numbers of Intermet users per 100 people and numbers of scientific award winners…
A: Use the given data to form scatter plot and excel table: X Y X*Y X*X Y*Y 78.3 5.6 438.48…
Q: For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand, compute the…
A:
Q: Listed below are annual data for various years. The data are weights (metric tons) of imported…
A: Solution-: We find (a) Correlation coefficient (b) Test statistic (c)…
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A:
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: x y x2 y2 xy 78.3 5.6 6130.89 31.36 438.48 81 8.8 6561 77.44 712.8 57.3 3.3 3283.29 10.89…
Q: Find the linear correlation coefficient.
A:
Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…
A: The independent variable is Internet Users. The dependent variable is Award Winners. The given data…
Q: A study was done to look at the relationship between number of lovers college students have had in…
A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…
Q: Match the following sample correlation coefficients with the explanation of what that correlation…
A:
Q: Calculate the Pearson correlation coefficient between the following two sets of data: X = [3, 5, 4,…
A: The provided information is given as follows:The data set isXY3152437465Let X be the independent…
Q: The following sample contains values of the price and quantity sold of a particular commodity. Use…
A:
Q: A study was done to look at the relationship between number of vacation days employees take each…
A: The following information has been provided: Vacation Days Sick Days 1 6 15 0 8 0 8 2…
The following sample of observations was randomly selected.
x | 5 | 3 | 6 | 3 | 4 | 4 | 6 | 8 |
y | 13 | 15 | 7 | 12 | 13 | 11 | 9 | 5 |
Determine the
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α=0.05. Internet Users 80.6 78.2 57.3 67.0 77.6 39.1 Award Winners 5.5 8.6 3.4 1.7 11.1 0.1 Question content area bottom Part 1 Construct a scatterplot. Choose the correct graph below. A. 3090012Internet UsersAward Winners A scatterplot has a horizontal axis labeled Internet Users from 30 to 90 in increments of 5 and a vertical axis labeled Award Winners from 0 to 12 in increments of 1. Six plotted points loosely follow the pattern of a cuve that falls from left to right passing through the points…A study was done to look at the relationship between number of movies people watch at the theater each year and the number of books that they read each year. The results of the survey are shown below. Movies Books 1 4 3 12 2 9 0 13 3 7 4 8 0 a. Find the correlation coefficient: r = b. The null and alternative hypotheses for correlation are: Ho: ? = 0 H₁: ? 0 The p-value is: d. 72 = e. 4 2 4 0 1 c. Use a level of significance of a = 0.05 to state the conclusion of the hypothesis test in the context of the study. Round to 2 decimal places. O There is statistically significant evidence to conclude that a person who watches more movies will read fewer books than a person who watches fewer movies. Round to 4 decimal places. O There is statistically insignificant evidence to conclude that there is a correlation between the number of movies watched per year and the number of books read per year. Thus, the use of the regression line is not appropriate. There is statistically significant…Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a = 0.05. Internet Users 77.9 79.7 56.2 66.2 78.8 37.6 Award Winners 5.5 8.7 3.3 1.7 10.6 0.1 ..... Construct a scatterplot. Choose the correct graph below. OA. OB. OC. OD. 121 12- 12 12- 30 90 30 Internet Users 30 90 30 90 90 Internet Users Internet Users Internet Users The linear correlation coefficient is r= (Round to three decimal places as needed.) Award Winners Award Winners Award Winners Award Winners
- Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a =0.05. Internet Users 79.9 79.4 55.8 67.9 77.3 39.0 Award Winners 5.4 9.1 3.4 1.8 10.6 0.1 Construct a scatterplot. Choose the correct graph below. O A. В. C. D. 12- 12- 12- 12- 0+ 30 0+ 30 0- 30 90 90 30 90 90 Internet Users Internet Users Internet Users Internet Users The linear correlation coefficient is r= (Round to three decimal places as needed.)Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a = 0.01. Internet Users 80.1 78.1 57.2 66.4 76.9 38.6 O Award Winners 5.3 9.4 3.3 1.8 10.7 0.1Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a strong correlation between x and y. b. Find the value of the correlation coefficient r and determine whether there is a linear correlation. c. Remove the point with coordinates (2,9) and find the correlation coefficient r and determine whether there is a linear correlation. 10- d. What do you conclude about the possible effect from a single pair of values? Click here to view a table of critical values for the correlation coefficient. AY Table of critical values 10 a. Do the data points appear to have a strong linear correlation? a = 05 a = 01 No 4. .950 990 878 959 V Yes 811 .917 7. .754 875 b. What is the value of the correlation coefficient for all 10 data points? 707 834 .666 .798 T=-0.906 (Simplify your answer. Round to three decimal places as needed.) 10 .632 765 11 .602 735 12 576 708 13 553 .684 532 .661 14 514 .641 15 Print Done Check answer…
- Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α=0.01. Internet Users 78.1 80.6 56.3 66.2 77.1 38.5 Award Winners 5.7 8.9 3.4 1.7 10.6 0.1Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α=0.01. Internet Users 80.4 79.0 57.9 66.3 76.4 39.0 Award Winners 5.7 9.2 3.2 1.8 10.9 0.1Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box. 1. r= 1 2. r = -1 3. r=-.15 4. r = .1 A. a weak positive relationship between x and y B. a weak negative relationship between x and y C. a perfect negative relationship between x and y D. a perfect positive relationship between x and y
- A study was done to look at the relationship between number of lovers college students have had in their lifetimes and their GPAs. The results of the survey are shown below. Lovers 4 6 GPA 0 2.9 2.9 3.5 3 0 3.4 3.3 140 8 1.7 2 3.3 a. Find the correlation coefficient: r = b. The null and alternative hypotheses for correlation are: Ho: H₁: The p-value is: 6 6 2.4 1.9 Round to 2 decimal places. (Round to four decimal places) c. Use a level of significance of a = 0.05 to state the conclusion of the hypothesis test in the context of the study. O There is statistically insignificant evidence to conclude that there is a correlation between the number of lovers students have had in their lifetimes and their GPA. Thus, the use of the regression line is not appropriate. O There is statistically insignificant evidence to conclude that a student who has had more lovers will have a lower GPA than a student who has had fewer lovers. O There is statistically significant evidence to conclude that…The blood pressure measurements of a single patient were taken by twelve different medical students and the results are listed below. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a = 0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurements and diastolic measurements? systolic (x) diastolic (y) 137 133 139 119 122 121 127 132 130 143 141 137 95 93 100 80 88 80 82 84 81 98 103 94 С. Но: р#0 D. Ho: p=0 H1:p=0 H1:p#0 Construct a scatterplot. Choose the correct graph below. O A. ОВ. C. D. Ay 160- Ay 160- 160- 160- 120- 120- 120- 120- 80- 80- 80- 80- O. 40- 40- 40- 40- X X 0- 0- O 40 80 120 160 0- 0- 40 80 120 160 40 80 120 160 40 80 120 160 The linear correlation coefficient r is (Round to three decimal places as needed.) The P-value is (Round to three decimal places as needed.) Because the P-value is than the significance level 0.05, there sufficient evidence to support the…