# Math

posted by .

Score Percentile Score Percentile Score Percentile Score Percentile
-3.5 0.02 -1 15.87 0 50 1.1 86.43
-3 0.13 -0.95 17.11 0.05 51.99 1.2 88.49
-2.9 0.19 -0.9 18.41 0.1 53.98 1.3 90.32
-2.8 0.26 -0.85 19.77 0.15 55.96 1.4 91.92
-2.7 0.35 -0.8 21.19 0.2 57.93 1.5 93.32
-2.6 0.47 -0.75 22.66 0.25 59.87 1.6 94.52
-2.5 0.62 -0.7 24.2 0.3 61.79 1.7 95.54
-2.4 0.82 -0.65 25.78 0.35 63.68 1.8 96.41
-2.3 1.07 -0.6 27.43 0.4 65.54 1.9 97.13
-2.2 1.39 -0.55 29.12 0.45 67.36 2 97.72
-2.1 1.79 -0.5 30.85 0.5 69.15 2.1 98.21
-2 2.28 -0.5 32.64 0.55 70.88 2.2 98.61
-1.9 2.87 -0.45 34.46 0.6 72.57 2.3 98.93
-1.8 3.59 -0.4 36.32 0.65 74.22 2.4 99.18
-1.7 4.46 -0.35 38.21 0.7 75.8 2.5 99.38
-1.6 5.48 -0.3 40.13 0.75 77.34 2.6 99.53
-1.5 6.68 -0.25 42.07 0.8 78.81 2.7 99.65
-1.4 8.08 -0.2 44.04 0.85 80.23 2.8 99.74
-1.3 9.68 -0.15 46.02 0.9 81.59 2.9 99.81
-1.2 11.51 -0.1 48.01 0.95 82.89 3 99.87
-1.1 13.57 0 50 1 84.13 3.5 99.98

Use the table above to find the standard score and percentile of: A) a data value 0.75 standard deviation below the mean; and B) a data value 3 standard deviations above the mean. Explain how you arrived at your answer in “your own” words.

Use the table above to find the approximate standard score of the following data values, then give the approximate number of standard deviations that the value lies above or below the mean. A) Data value in the third percentile. B) Data value in the 94th percentile.

## Similar Questions

1. ### math

If X= -8.4 what percentile score is equivalent to the lower quartile?
2. ### Math

For a normally distributed distribution of variable x, where the mean is 50, and standard deviation is 2.5, calculate: a) the percentile rank of x=45 b) the z-score of x=52.6 c) the percentile rank of x=58 d) the 29.12th percentile …
3. ### Algebra

On a standardized test, the distribution of scores is normal, the mean of the scores is 75, and the standard deviation is 5.8. If a student scored 83, the student's score ranks 1. below the 75th percentile 2. above the 97th percentile …
4. ### Research and Statistics

I want to ensure I've done this problem correctly. Thanks! 3. In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math …
5. ### statistics

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th …
6. ### university of phoenix

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th …
7. ### Statistics

Dear Lee, Please confirm these answers to this question. your medical terminology instructor listed the following grades for the class out of a 75 point test: 33,34,43,45,45,54,55,59,60,62,64,66,67,68,67,68,68,69,70,70 a.find the 90th …
8. ### Statistic in Social Science

The verbal part of the Graduate Record Exam (GRE) has a mean of 500 and a standard deviation of 100. Use the normal distribution to answer the following questions: a. If you wanted to select only student at or above the 90th percentile, …
9. ### statistics

Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam?
10. ### Math Statistics

Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam?

More Similar Questions