Find the correlation for the data set below. Age Salary 23 45,000 25 48,000 24 54,000 29 57,000
Q: Determine the correlation equation and correlation coefficient for the data in Table 1. The explain…
A: We need to determine the correlation equation and correlation coefficient for the data in Table 1…
Q: A statistics professor wanted to know if there was a relationship between the midterm exam grade and…
A:
Q: PROBLEM SOLVING. Use Excel to answer the following questions. The following data set shows the…
A: The following data has been provided: Advertising Cost (x) Sales(Y) 40 385 20 400 25 395…
Q: Find correlation coefficient between the income and expenditure of a wage earner. Month: June July…
A:
Q: What is the relationship between the number of minutes per day a woman spends talking on the phone…
A: Time Weight 45 120 21 115 72 188 53 130 36 125 12 141 39 135 81 150 57 149
Q: What is the correlation coefficient? Multiple Choice −0.128 0.016 0.651 −0.053
A: Given that X Y X \cdot YX⋅Y X^2X2 Y^2Y2 57 96 5472 3249 9216 47 92 4324 2209 8464…
Q: 48 What is a good estimate of the correlation coefficient for the scatterplot? 0.9 0.5 -0.9 -0.5 Y…
A: Need to estimate the correlation coefficient Here some examples for correlation coefficient
Q: Agroup of men and women were polled to determine whether they liked or disliked a particular boss.…
A:
Q: what is the correlation for the recorded data of subscriptions?
A: Solution
Q: ... Calculate the correlation. (Round to three decimal places as needed.) r=
A:
Q: Five people were asked how many female first cousins they had and how many male first cousins. The…
A:
Q: Determine if there is a significant positive correlation between the number of days since a sales…
A: As per guidelines, we will only answer first question, please repost other questions for more…
Q: Calculate coefficient of correlation for the following data by short-cut 58 62 66 68 70
A: From the given sample data : n=7 , ƩX=450 , ƩY=436 , ƩX2=29188 , ƩY2=28070 , ƩXY=28376 Our aim is to…
Q: An instructor finds that there is a tendency for students who send more text messages during class…
A: Correlation coefficient : it denotes by r Value of correlation coefficient define strength of…
Q: The table lists weights (pounds) and highway mileage amounts (mpg) for seven automobiles. Use the…
A:
Q: The data below is the number of hours that people work per week at your job. Construct the…
A:
Q: Determine if there is a significant correlation between the number of hours studied and the test…
A: Use EXCEL to obtain the value correlation coefficient r: EXCEL procedure: Go to EXCEL Go to…
Q: A grocery store manager did a study to look at the relationship between the amount of time (in…
A: Given information: The data is provided as: Time (X) Money (Y) 21 63 17 51 28 109 13 49…
Q: For the data below, draw a scatter plot on each graph provided. Then use your graphing calculator to…
A: Strength of relationship between variables using correlation: If the value of correlation is…
Q: The following data gives the number of hours 10 students spent studying and their corresponding…
A: Given,
Q: Is there a linear relationship between men's shoe size and how many ties they own? Draw a scatter…
A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…
Q: a) Are the data normal? Run Descriptive statistics in Excel and support your answer. b) Show the…
A: PopulationExpenditure291274352148613310902082191535031844713035242171851419815495219489103
Q: The Mindfulness index(X) and Work performance index (Y) of employees of a company is given in the…
A: The formula for the correlation coefficient is : r=∑ixi-xyi-y∑ixi-x2.∑iyi-y2 X Y (xi-x) (yi-y)…
Q: Determine if there is a significant positive correlation between the number of days since a sales…
A: Given information: The data represents the values of the variables Days after sales campaign and…
Q: 4. Drawa scatterplot for the following data: Variable X 24 Variable Y 44 13 8 81 63 36 5 52 42 5 1…
A: Let X and Y denotes the random variable We have to plot scatter plot using data X and Y :
Q: For the data below, draw a scatter plot on each graph provided. Then use your graphing calculator to…
A: Strength of relationship between variables using correlation: If the value of correlation is…
Q: Find the 25th, 50th, and 75th percentile from the following list of 32 data 4 6 9 16 19 22 23 25 30…
A: Percentile: The observations P1, P2, - - - P99 which divide the total number of observations into…
Q: Based on the data below, answer the following question: Draw a scatter diagram that highlights the…
A: Correlation coefficient quantifies the strength and direction of relationship between variable. The…
Q: The table provided below shows paired data for the heights of a certain country's presidents and…
A: Given paired data set:President's height (in c.m.)Opponent's height (in…
Q: Calculate the correlation coefficient for the relationship between height and weight. Then Plot the…
A: Given data, X Y X*Y X*X Y*Y 180 82 14760 32400 6724 171 65 11115 29241 4225 170 65 11050…
Q: recent survey of Psychology majors finds that the more “real world” experience students gained, the…
A: A recent survey of Psychology majors finds that the more “real world” experience students gained,…
Q: What is the best estimate of the correlation for the data displayed below? b)what is the form,…
A: The correlation coefficient will lie between 0.6 - 0.8
Q: Use the computing formula to calculate the coefficient of correlation for the vending machine data…
A: The following data for the X and Y variables are provided to find the sample correlation…
Q: X 2 3 5 7 10 11 12 15 16 y 62 5888 67 65 86 80 85 88 84 92 Determine the correlation coefficient for…
A: yx- x̄ 62-767-665-486-2801852883846927Sample size : n = 9
Q: Based on the data below, answer the following question: Draw a scatter diagram that highlights the…
A:
Q: The heights and weights of a set of students were recorded on a scatter graph.
A: Given:
Q: The following data describes grades of students in physics. Complete the frequency table for this…
A: From the provided information, The data values are as follow: 91.3, 96.7, 91.4, 88.4, 92.8, 96.7,…
Find the correlation for the data set below.
Age Salary
23 45,000
25 48,000
24 54,000
29 57,000
Step by step
Solved in 3 steps with 1 images
- Find the correlation coefficient for the data below which represents the salary of eight people based on their service age in a company: Service Age 2 11 20 25 13 16 (year) Salary ($) 350 900 1300 2400 3000 840 1500 1780Determine the correlation coefficient for the data shown in this table: x 1 8 8 15 14 20 y 42 38 30 20 18 11Calculate the co-efficient of rank correlation from the following data. Price of Coffee Price of Tea 45 25 42 28 45 35 47 27 48 30 43 32 45 35 50 30 48 28 42 39
- The heights and weights of a set of students were recorded on a scatter graph. Describe the correlation depicted below: Select- strong, moderate, weak and Select- positive, negativeCalculate the coefficient of correlation for the ages of húsband and wife : Age of husband Age of wife 23 27 28 29 30 31 33 35 36 39 : 18 22 23 24 25 26 28 29 30 32The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams, Hours spent studying 0.5 1 1.5 2 2.5 4 4.5 5 5.5 6 Midterm Grades 63 69 75 78 81 84 90 93 96 99 Draw a scatter plot of the given data. Select a location in the chart to plot a point. Points can be moved by dragging or using the arrow keys. Estimate the correlation in words: positive, neagative, no correlation Calculate the correlation coefficient, r. Round your answer to three decimal places. Hours unspervised 0 1 2 4 5 Overall Grades 100 92 88 84 72 Calculate the correlation coefficient, r. Round your answer to three decimal places. Determine whether the given correlation coefficient is staatically significant at the specified level of significance and sample size. r=0.452 ,a=0.005, n=28
- 4. Find out Spearman's Rank correlation for the following data and write your comment. Profits 65 54 46 54 38 85 46 68 95 of X Profits 55 35 40 55 65 75 40 55 65 of Y 70 70The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. heights Ages 73 28 76 22 74 23 72 24 77 24 78 27 76 31 79 28 73 27 78 35 74 33 79 36The figure below shows the relationship between tree height and tree age for a given tree species. What is the approximate correlation between the two variables; 0.99, 0, -0.98, or 1?
- The accompanying table lists the ages of acting award winners matched by the years in which the awards were won. 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. Should we expect that there would be a correlation? Use a significance level of a = 0.01. Click the icon to view the ages of the award winners. Construct a scatterplot. Choose the correct graph below. OA 70- 20- 20 70 Best Actress (years) B. 70- 20- 20 70 Best Actress (years) The linear correlation coefficient is r = (Round to three decimal places as needed.) 70- 20- 20 70 Best Actress (years) Q G D. 70- 20- 20 70 Best Actress (years)The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. Heights Ages 74 28 73 26 80 25 71 24 75 29 74 26 74 27 75 30 72 29 73 37 70 36 78 34Find the 25th, 50th, and 75th percentile from the following list of 32 data 4 6 9 16| 19 22 23 25 30 31 38 39 48 56 42 46 47 57 63 68 75 80 87| 88 94 95 73 74 85 86 98 99 25th percentile = 50th %3D percentile = 52 v 75th percentile =
