Out of the numbers listed below, what number is in the 90th percentile? what percentile is 52,598?

I had to find the 20th percentile with the following data.    0, 1, 2, 2, 2, 3, 4, 4, 4, 8..... My first answer was 1.8. I got that by doing .20(10) = 1.8. This answer was wrong. I rounded up to 2 and that was also wrong. Was I supposed to indentify all the numbers that would be categorized in the 20th percentile?

find out 73 rd percentile  45,69,35,69,87,314,45,12,20,14,11.3

Listed are 29 ages for Academy Award winning best actors in order from smallest to largest. 18; 21; 22; 25; 26; 27; 29; 30; 31; 33; 36; 37; 41; 42; 47; 52; 55; 57; 58; 62; 64; 67; 69; 71; 72; 73; 74; 76; 77 a. b. Find the 40th percentile. Find the 78th percentile.

The following 40 scores are from a college mathematics test for elementary school teachers. 56, 92, 73, 82, 83, 75, 75, 68, 85, 87, 97, 89, 75, 96, 82, 75, 70, 70, 96, 71, 96, 66, 73, 68, 76, 78, 78, 56, 82, 63, 60, 74, 75, 86, 62, 51, 66, 85, 63, 83 Part 1 out of 3 a. Form a stem-and-leaf plot for these test scores. Record the leaves in increasing order. Stem Leaf 6. 7 9

Explain Properties of the Sample Mean?

The following are the annual salaries of 20 chief executive officers of major companies. (The salaries are written in thousands of dollars) 743, 271, 204, 181, 814, 495, 519, 1108, 428, 1250, 248, 452, 586, 362, 75, 381, 653, 315, 84, 338 Find 30th and 75th percentiles for these salaries.

The following are scores shot by a golf team in a 9-hole course: 46,52,47,54,55,43,53,48,51,41,50 find the mean, median, 1rst quartile and second quartile of these numbers.

What is the median value of  1.8, 7.4, 27.5, 54.8, 8.5 ?

The weights (in pounds) of  19 preschool children are 45, 30, 37, 33, 35, 23, 31, 20, 21, 26, 39, 47, 40, 22, 42, 28, 27, 32, 36 Find 10th and 75th percentiles for these weights.