A data set contains the observations 4, 0, - 2, - 1, 1 . ... Find ir Ex- (Do not round.)

The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744

Which choice correctly describes the shape of this histogram?     a.symmetric b.uniform c.skewed right d.skewed left

the data set shows the high school student grade . it have their mid and final test results. we wish to determine if there is a relationship between the two.   1 77 65 2 83 90 3 79 67 4 88 85 5 76 62 6 66 80 7 76 74 8 95 93 9 65 59 10 91 86 11 80 52 12 87 82 13 86 54 14 62 71 15 92 86 16 76 88 17 68 82 18 92 95 19 80 77 20 59 72 21 68 84 22 71 75 23 62 73 24 67 55 25 76 94 26 72 79 27 99 89 28 57 52 29 81 78 30 72 83 31 76 69 32 94 98 33 71 94 34 71 81 35 71 83 36 95 96 37 73 60 38 88 85 39 94 97 40 84 88 41 59 71 42 67 92 43 97 85 44 84 87 45 87 99 46 92 98 47 77 91 48 84 93 49 92 79 50 75 81 51 95 99 52 80 73 53 62 79 54 70 76 55 87 91 56 88 95   what is the equiation for the linear regression model? Final grade= ___ + ___ *  Mid term grade (round to three decimal places)   If cammy scores 73 on the midterm, her predicted final exam grade would be _______

Find WI if IE = 3 E G EW and YG are medians of AXYW

For each vignette, choose the type of research that is being conducted. There is only one correct answer for each vignette. Here are your answer choices for questions 1-18   Case Study                                                                       Naturalistic Observation Laboratory Observation                                                Survey Correlation                                                                      Test Experiment                                                                      Longitudinal Design Cross Section                                                                   Cross Sequential Design   Maria wants to understand the political demographics in her community, so she creates a questionnaire asking people to identify their age, gender, political affiliation, religion and marital status. After Maria collects the abovementioned data (in question #12), she then identifies the relationships between religion and political affiliation. Kathi…

Match each scatterplot shown below with one of the four specified correlations Please help

3. Caloulate r and ŕ for the data set. -5 -4 -3 -2 -10 1. 4. 9. Calculate r. (Round to four decimal places as needed.) Calculate r =(Round to four decimal places as needed.)