Conditions met? choose your answer... Model: price/gal= type your answer.... Predict the price of gas for 2010. $ type your answer..... /gallon year The actual price of gas in 2010 was $2.19. What was the residual for this model. $ type your answer....

& Rates.pdf 8. Does the table show a proportional relationship? If so, what is the value of y when x is 10? 6. 8. 1 1- 2 2- 2 3 3. 3 Sign out DELL

Insert Format Tools Add-ons Help Last edit was seconds ago В I U 三=三| 三|ニ三▼扫▼EE Normal text Comlc San. 10 100% > 1 I 2 3 II 4 I 5 I 6. 7 Taltson Lake is in the Canadian Northwest Territories. This lake has many fish. The following data was obtained by two fishermen visiting the lake. Let x = length of a fish in inches and let = weight in pounds. 46 x (inches) Ey (pounds) 41 15 20 24 36 12 24 the document will 34. Find the following values. a. SSxy=355 b. SSx=491.2 c. r-0.9608 d slope=355/491.2=0.7227 e y-intercept=-12.1388 f. linear regression equation:y=-12.1388+0.7227 9. coefficient of determination=| h. The point that must be used to find the y intercept is: i. The y value when x is 25: j. Make a scatterplot of the data and insert the line of best fit along with its equation (don't forget titles/labels) k. calculate the predicted y values, residuals, make the residual plot (don't forget titles/labels), and interpret what the residual plot tells us: ip

Jobs and productivity! How do retail stores rate? One way to answer this question is to examine annual profits per employee. The following data give annual profits per employee (in units of 1 thousand dollars per employee) for companies in retail sales. Assume ? ≈ 3.5 thousand dollars. 4.0 6.4 4.0 9.0 8.4 5.8 8.1 6.0 2.6 2.9 8.1 −1.9 11.9 8.2 6.4 4.7 5.5 4.8 3.0 4.3 −6.0 1.5 2.9 4.8 −1.7 9.4 5.5 5.8 4.7 6.2 15.0 4.1 3.7 5.1 4.2 (a) Use a calculator or appropriate computer software to find x for the preceding data. (Round your answer to two decimal places.) thousand dollars per employee(b) Let us say that the preceding data are representative of the entire sector of retail sales companies. Find an 80% confidence interval for ?, the average annual profit per employee for retail sales. (Round your answers to two decimal places.) lower limit        thousand dollars upper limit        thousand dollars

Name Date Calculating Unit Prices Calculate the unit price of each item. $3 for 2 boxes of crackers per box $9 for 4 boxes of granola bars %2. per box 3-pound bag of apples for $3.57 %24 per pound $4.32 for 18 ounces of cereal per ounce $7.20 for 120 fluid ounces of laundry detergent %$. per fluid ounce $3.87 for 1.5 yards of fabric %$. per yard Keep going! If needed, round your answer to the nearest cent. 5 notebooks for $7.37 %$. per notebook 1.4 pounds of broccoli for $2.24 per pound $12.48 for 16 quarts of potting soil $. per quart 6-pack of pens for $9.69 $ per pen Circle the better buy in each problem. 3 quarts of juice for $5.82 2 quarts of juice for $3.94 or $8.60 for a 10-pack of batteries $9.84 for a 12-pack of batteries or 24-pack of pencils for $2.64 18-pack of pencils for $2.34 or $2.46 for a 12-ounce jar of jam $3.44 for a 16-ounce jar of jam or Find worksheets, games, lessons & more at education.com/re © 2007 - 2021 Edu Education.com

Course Name Credit Hours Grade Algebra 3 B Chemistry 3 C Chemistry Lab 1 B Creative Writing 3 A Honors 2 A The table above represents Bob's grades from last semester.  What was Bob's GPA? Remember that A=4, B=3, C=2, D=1, F=0 on a 4-point GPA scale.  Round to two decimal places. A.) 3.86 B.) 3.01 C.) 3.17 D.) 2.38

An ASU student makes a New Year resolution to shed a few pounds by going to the gym and eating right. The student purchases a scale so that he can keep track of his progress. He steps on the scale and it shows “180 lbs.” He steps off the scale and one minute later steps back on the scale. This time it shows “187 lbs.” This scenario shows an issue with the scale’s ______________.

First blank : qualitative or quantitative  second blank : attributes or labels , numerical measurements

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in regression analysis in population is associated with a decrease in crime rate the relationship has SSR of 250 and SST of 440. That percent of the crime rate is determined by the size of population? a. 76% b. 24.89% c. 56.82& d. 75.38% e. 43.18%