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Blakeggg

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Ariana Nash verified

Numerade educator

Question 1 Consider the data set 8.5 8.2 7.0 7.0 4.9 9.6 8.5 8.8 8.5 8.7 6.5 8.2 7.6 1.5 9.3 8.0 7.7 2.9 9.2 6.9 1. Find the percentile rank of 6.5. 73 (Round to the closest integer) 2. Find the percentile rank of 7.7. 80 (Round to the closest integer) Answer 1: 73 Answer 2: 80

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Sanchit Jain verified

Numerade educator

Find the five-number summary for: x -5 -3 -2 -1 0 1 3 4 5 f 2 1 3 2 4 1 1 2 1 ( -5 , -2 , 0 , , 5 )

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Tim Thornhill verified

Numerade educator

Consider the data set 8.5 8.2 7.0 7.0 4.9 9.6 8.5 8.8 8.5 8.7 6.5 8.2 7.6 1.5 9.3 8.0 7.7 2.9 9.2 6.9 1. Find the percentile rank of 6.5. [ ] (Round to the closest integer) 2. Find the percentile rank of 7.7. [ ] (Round to the closest integer)

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Bradley Duda verified

Numerade educator

A discrete random variable X has the following probability distribution: x 13 18 20 24 27 P(x) 0.22 ? 0.20 0.17 0.16 Compute each of the following quantities. (Keep 2 decimals digits) 1. P(18)= 0.25 2. P(X>18)= 0.53 3. P(X?18)= 0.47 4. The mean of X = 19.76 5. The standard deviation of X = 4.71 6. The variance of X = 22.22

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Sanchit Jain verified

Numerade educator

Find the five-number summary for: x -5 -3 -2 -1 0 1 3 4 5 f 2 1 3 2 4 1 1 2 1 ( -5 , -2 , 0 , 3 , 5 ) Answer 1: -5 Answer 2: -2 Answer 3: 0 Answer 4: 3 Answer 5: 5

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INSTANT ANSWER

Consider the data set \[ \begin{array}{l} 8.58 .27 .07 .04 .9 \\ 9.68 .58 .88 .58 .7 \\ 6.58 .27 .61 .59 .3 \\ 8.07 .72 .99 .26 .9 \end{array} \] 1. Find the percentile rank of 6.5 . \( \square \) (Round to the closest integer) 2. Find the percentile rank of 7.7 . \( \square \) (Round to the closest integer)

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INSTANT ANSWER

Given a sample: \( 1.6,5.2,2.8,3.7,4.0 \) What's the sample mean? 3.46 \( \square \) What's the sample standard deviation? 1.21 \( \square \) Round to two decimals) What's the 2 -score for 28 ? \( \square \) \( -0.55 \) (Round to two decimals) What's the percentile rank (an integer) for 2.8 ? \( \square \) 60

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