Three students were applying to the same graduate school. They came from schools with different grading systems. Which student had the best GPA when compared to other students at his school? Explain how you determined your answer. Student GPA School Average GPA School Standard Deviation Thuy 2.7 3.2 0.8 Vichet 87 75 20 Kamala 8.6 8 0.4 Table 2.7

The data set {2,5, q, 10, 13, 16} has mean i = 9. %3D Find the value of q. Please enter a numeric answer ONLY. Do not enter q =

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What is the mean of .27, .63, .45, .25, .31, 1.15, .64, 1.33, 1.14, 0.41, 0.47

Why is the answer not a Median but its neither Median or Altitude?

What is the median?

One hundred teachers attended a seminar on mathematical problem solving. The attitudes of representative sample of 12 of the teachers were measured before and after the seminar. A positive number for change in attitude indicates that a teacher's attitude toward math became more positive. The twelve change scores are as follows. 4; 7; −1; 1; 0; 5; −2; 2; −1; 6; 5; −3 Part (a) What is the mean change score? (Round your answer to two decimal places.)

Answer the questions below. (a) The 9 members of the swim team completed the following numbers of laps at today's practice: 76, 80, 81, 82, 86, 88, 89, 91, 158. Which measure should be used to summarize the data? Mean Mode (b) Greg wants to determine which letter appears the most often in his favorite poem. Which measure should he use? Median Mean Median Mode (c) The 10 members of the dance team each bought new shoes. Here are the prices they paid: $51, $52, $53, $55, $58, $59, $62, $63, $64, $65. Which measure should be used to summarize the data? Mean O Median Mode

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.)

Why D is the correct answer? What is the solution and reason for other choices to be wrong?