subject
Mathematics, 23.02.2021 02:30 fdougie111

A study was designed to investigate the effects of two variables ​(1) a​ student's level of mathematical anxiety and​ (2) teaching method on a​ student's achievement in a mathematics course. Students who had a low level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of with a standard deviation of on a standardized test. Assuming a​ mound-shaped and symmetric​ distribution, in what range would approximately ​% of the students​ score?

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:10, paaoolav
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
Answers: 2
image
Mathematics, 21.06.2019 19:00, Jessieeeeey
Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1
Answers: 1
image
Mathematics, 22.06.2019 00:00, hadilalhjajih
The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?
Answers: 2
image
Mathematics, 22.06.2019 03:30, naimareiad
Find the simplified product: 2sqrt 5x^3(-3sqrt10x^2) a: -30sqrt2x^5 b: -30x^2sqrt2x c: -12x^2sqrt5x d: -6sqrt50x^5
Answers: 2
You know the right answer?
A study was designed to investigate the effects of two variables ​(1) a​ student's level of mathemat...

Questions in other subjects:

Konu
Chemistry, 07.12.2019 06:31