# statistics

the average marks for statistics in a class of 30 were 52. the top six students had an average of 31 marks. what were the average marks of the other students?.

1. 👍
2. 👎
3. 👁
1. It would help if you proofread your questions before you posted them. If the mean for 30 students was 52, how could the top 6 students only average 31?

1. 👍
2. 👎
2. The following is a partial relative frequency distribution of consumer preferences for four products—W, X, Y, and Z.
Product

Relative
Frequency

W

0.19

X

Y

0.11

Z

0.15

--------------------------------------------------------------------------------

(a)

Find the relative frequency for product X. (Round your answer to 2 decimal places.)

Relative frequency

1. 👍
2. 👎
3. .24

1. 👍
2. 👎
4. 0.9

1. 👍
2. 👎

## Similar Questions

1. ### Statistics

3. The average weekly allowance of students last year at a private high school was Php 800.00 per week, based on an enrollment of 2000 students. The junior high school students who did not have this information interviewed 50

2. ### math

In a class of 60 ​students, on​ average, 8 will be​ left-handed. If a class includes 12 ​"lefties", estimate how many students are in the class.

3. ### Statistics - M/C

14. The marks on a statistics test are normally distributed with a mean of 62 and a variance of 225. If the instructor wishes to assign B’s or higher to the top 30% of the students in the class, what mark is required to get a B

4. ### Statistics

An instructor has graded 25 exam papers submitted by students in a class of 26 students, and the average so far is 71. (The maximum possible score is 100.) A) To raise the class average by 1 point, the score on the last paper has

1. ### programming

Example Develop a pseudocode algorithm for a program that accepts each of the average marks of 10 students in a class and computes the sum and the average mark of the class. The program should display the average mark of the

2. ### Math

An instructor has graded 23 exam papers submitted by students in a class of 24 students, and the average so far is 73. (The maximum possible score is 100.) How high would the score on the last paper have to be to raise the class

3. ### Math

In a class of 20 students, the average (arithmetic mean) score on a test is 84 points. If 6 students each scored 100 points and 4 students each scored 50 points, what is the average of the scores of the remaining students?

4. ### Math

In a class of 30 ​students, on​ average, 6 will be​ left-handed. If a class includes 27 ​"lefties", estimate how many students are in the class.

In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those

2. ### stats

Relatively speaking, which statistics exam did you do better on? On your first statistics exam you scored a 72 and on the second exam you scored an 89. Hey, you’re improving! Or are you? On the first exam, the class mean was 71

3. ### Statistics

As a class teacher, your class students took test in both statistics and mathematics. The results are as follows:- mean performance in (i) statistics-52, and (ii) mathematics-48. The students are 20 in number. Standard

4. ### basic statistics for the behavioral sciences

there are 80 students enrolled in statistics. (a)you and 11 other earned the same score. what percent of the class received your score? (b)forty percent of the class received a grade of C. how many students received a C? (c) only