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- A professor asks her students to select which day they would prefer to have their exam: Mon, Wed, or Fri. Do students equally prefer all three options? Which test is most appropriate to conduct? One-way ANOVA Independent t-test Dependent t-test z-test Chi-sqaurePearson’s r can also be considered as: Group of answer choices a measure of how much values differ in a sample. the size of a typical value. the number of independent pieces of information. a measure of covariance.i need the answer quickly
- B Salaries for 39 Engineers Employed by the Solnar Company B 9 0 1 12 83 34 35 36 37 Salary ($1000) 48 50 52 54 56 59 59 59 59 60 65 65 67 70 78 86 88 89 90 95 95 96 97 100 102 110 115 118 120 124 125 125 128 130 130 38 39 40 41 42 43 44 130 131 134 134 Years 1 1 1 1 2 5 2 2 4 7 3 4344 10 10 7 14 10 15 15 10 14 13 13 25 34 30 25 19 18 32 19 20 18 20 32 35 YearsSq 1 1 1 1 4 25 4 4 16 49 9 16 9 16 16 100 100 49 196 100 225 225 100 196 169 169 625 1156 900 625 361 324 1024 361 400 324 400 1024 1225 Male 0 0 1 1 0 0 1 1 1 0 0 0 1 1 0 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Years x Male 0 0 1 1 0 0 2 2 4 0 0 0 3 4 4 0 10 7 0 10 0 15 10 14 13 13 25 34 30 25 19 18 32 19 20 18 20 32 35 Leaming Copyright 2019 by The McGraw-Hill Companies This spreadsheet is intended solely for educational purposes by licensed users of Connect Note: The binary variable Male is 1 if the engineer is male, 0 otherwiseComplete a-c for c do we reject or accept the p-value due to sufficient or insufficient evidence?Every day a school bus driver passes the same traffic light twice, once before school and once after. Each time he passes the light, he records if it is red, green, or yellow. Here is a summary of the data he got after 200 days. Traffic light before school red red red green green green yellow yellow yellow Traffic light after school red green yellow red green yellow red green yellow Number of days 25 38 12 34 36 11 16 13 15 Suppose the driver will continue recording the colors for 150 more days. In how many of these 150 days will the light be yellow exactly once? Use the data to make a prediction.
- 5 ó 7 8 data 9 10 Based on the boxplot above, what is the value for the Q3 11人 oー + (-12 PUILS] DETAILS DEVORESTAT9 5.E.022.MI. MY NUTES ASK YUUR IEACHER PRACTICE ANOTHER An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X = the number of points earned on the first part and Y = the number of points earned on the second part. Suppose that the joint pmf of X and Y is given in the accompanying table. P(x, y) 0 10 15 0.03 0.060.02 0.10 0.04 0.13.0.20 0.10 10 0.01 0.15 0.15 0.01 (a) If the score recorded in the grade book is the total number of points earned on the two parts, what is the expected recorded score E(X + Y)? (Enter your answer to one decimal place.) (b) If the maximum of the two scores is recorded, what is the expected recorded score? (Enter your answer to two decimal places.) Need Help? Watch It Read It Master It MY NOTES ASK YOUR TEACHER 6. [1/1 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 6.5.002. What is the standard deviation of a sampling distribution called? O the variance MacBook Pro へ "0.3" esc…all parts
