The following table gives the weeks of gestation and corresponding birth weights for a sample of 5 babies. Weeks of Gestation    Weight (in pounds) 34    4.5 35    6 36    7 37    8.5 38    9.5 Step 3 of 3 :  Calculate the coefficient of determination, r2 Round your answer to three decimal places.

Round every calculation to 2 decimal points unless the specific question asks for something different. Show answers as decimals and not percents or fractions.

The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands): Cost 9 Number 85 O 0.246 -0.071 0.235 0.708 2 52 3 55 Table 3 4 68 2 67 5 86 9 83 10 73

Answer the questions for the data in the table below. x 012578 y 1 3 5 6 10 9 a. Draw a scatter diagram for the data. Should the value of r be positive or negative? Explain. b. Calculate the value of r. Round your answer to 3 decimal places. r =

The table below consists of 7 numbers. Find the percentile of the value 56. (Note: Percentiles are always rounded to the nearest whole number.) 56 84 60 21 47 81 35 56 represents the -th percentile

Calculate (x-bar) for the data shown, to two decimal places 19.7 10.4 11.8 26.1 27.3 29

Explain MEAN SQUARES (M S) AND F RATIOS.

lecture(12.2): A statistic class is made up of 28 students online and 21 students in person. What proportion of the class is learning online?. Round your answer to 2 decimal places

A. Determine the coefficient of​ determination, r2​, and interpret its meaning. (Fill in the Blank) r2 = ___? ​(Round to four decimal places as​ needed.) B.  What is the meaning of the coefficient of​determination? (Choose Below) A. It measures the variability in the actual plate gap from the predicted plate gap. B. It measures the variability in the actual tear rating from the predicted tear rating. C. It is the proportion of the variation in the plate gap that is explained by the variability in the tear rating. D. It is the proportion of the variation in the tear rating that is explained by the variability in the plate gap. C. Determine the standard error of the estimate. SYX = ___? ​(Round to four decimal places as​needed.)

50 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Frequency 1 24 0.48   2 15     3       a.  Complete the table.b.  What percent of students take exactly one course? %