# basic statistics for the behavioral sciences

(a)on a normal distribution of exam scored, poindexter scored at the 10th percentile, so he claims that he outperformed 90% of his class. Why is he correct or incorrect? Because Foofy's score is in a tail of the distribution, she claims she had one of the highest scores on the exam. Why is she correct or incorrect?

1. 👍 0
2. 👎 0
3. 👁 666
1. 10th percentile means you scored equal to or better than 10% os the scores. 90% scored better than Foofy. She is in the wrong tail.

1. 👍 0
2. 👎 1
2. (A) Wrong. 10th percentile means the lowest 10% of the class

(B) Neither right nor wrong. It depends on which tail end the scores fall upon

1. 👍 1
2. 👎 0

## Similar Questions

1. ### 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

asked by Priscilla on June 8, 2010
2. ### math 100

When you take the Scholastic Assessment Test (SAT), your score is recorded as a percentile score. If you scored in the 92nd percentile, it means that you scored better than approximately 92% of those who took the test. If Lisa's

asked by ryan on November 4, 2018
3. ### Math

Ms. Allison drew a box-and-whisker plot to represent her students scores on a midterm test. These are the numbers on the box-and-whisker plot. Lowest value=44 Lower quartile=47 Median=52 Upper quartile=81 Highest value=96 Jason

asked by Anonymous on April 6, 2015

Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a mid-term test. box-and-whisker plot Josh received 72 on the test. Describe how his score compared to those of his classmates. (1 point) About 25%

asked by Manny on June 10, 2014
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.

asked by maribel on May 7, 2011
1. ### Algebra 2

Did I solve this word problem correctly? In last week’s basketball game, the Lions scored 6 less than twice what the Bobcats scored. The sum of their scores is 30. How many points did the Lions and the Bobcats score

asked by Ernie on November 1, 2015
2. ### statistics

The following frequency distribution presents a set of exam scores for a class of N= 20 students. X F CF % C% 90-99 4 20 20 100 80-89 7 16 35 80 70-79 4 9 20 45 60-69 3 5 15 25 50-89 2 2 10 10 a)Using interpolation find the 30th

asked by Lezlie on January 27, 2008
3. ### Math

A district mathematics test for third-graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of students scored between 63 and 85?

asked by Clement on February 15, 2016
4. ### Statistics

Assume that the points scored by the winning teams for all NCAA games follow a bell-shaped distribution. Using the mean of 76.5 and the standard deviation of 7, estimate the percentage of all NCAA games in which the winning team

asked by Shellie on September 12, 2009
5. ### statistics

on an exam, angela scored in the 30th percentile. if there were 40 students in the class, how many students scored lower than she did?

asked by anonymous on May 20, 2020