# MAT 126 Ash Material - mat126dotcom

## MAT 126 Ash Material - mat126dotcom

MAT 126 Entire Course

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MAT 126 Week 1 DQ 1
MAT 126 Week 1 Quiz
MAT 126 Week 1 Written Assignment (Arithmetic and geometric sequence)
MAT 126 Week 2 DQ 1
MAT 126 Week 2 DQ 2
MAT 126 Week 2 Assignment Is It Fat Free
MAT 126 Week 2 Quiz
MAT 126 Week 3 DQ 1
MAT 126 Week 3 DQ 2
MAT 126 Week 3 Assignment Quadratic Equations
MAT 126 Week 3 Quiz
MAT 126 Week 4 DQ 1
MAT 126 Week 4 DQ 2
MAT 126 Week 4 Assignment Pythagorean Triples
MAT 126 Week 4 Quiz
MAT 126 Week 5 DQ 1
MAT 126 Week 5 Assignment Misinterpretation or Misuse
MAT 126 Week 5 Quiz

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MAT 126 Week 5 Quiz

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Week 5
1. Question : Find the area under the normal distribution curve between z = 1.52 and z = 2.43.
2. Question : For the 20 test scores shown, find the percentile rank for a score of 86.
75 63 92 74 86 50 77 82 98 65 71 89 75 66 87 59 70 83 91 73
3. Question : If a student's percentile rank in a class of 400 students is 87, find the student's class rank.
4. Question : Find the value for the correlation coefficient r.
5. Question : Find the median.
2 27 38 55 49 9 53 34
6. Question : Find Q1, Q2, and Q3 for the data set below.
5.4 2.0 6.8 3.1 2.9 4.7 2.1 5.0 1.9 3.4
7. Question : Which statement is true for a statistical study?
8. Question : The average amount customers at a certain grocery store spend yearly is \$636.55. Assume the variable is normally distributed. If the standard deviation is \$89.46, find the probability that a randomly selected customer spends between \$550.67 and \$836.94.
9. Question : Which of the following is not a property of a normal distribution?
10. Question : The average hourly wage of employees of a certain company is \$9.83. Assume the variable is normally distributed....