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Nadya [2.5K]
3 years ago
7

If a researcher wants to examine the relationship among variables and not the difference, what test statistics should he or she

use?
Mathematics
1 answer:
BARSIC [14]3 years ago
5 0
There are various statistical tests which determine the differences between groups or more like anova, t-test, f-test, etc. examples on the other hand of test statistics that examine the relationship of variables includes linear regression which tests the r^2 and correlation.
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The slope-intercept equation of a line is y=4x-1. What are the slope and y-intercept of the line?
astra-53 [7]
The slope of the line is 4/1 and the y-intercept is -1.
6 0
3 years ago
Find the least square number divisible by 5, 10, 15. (a) 100 (b) 625 (c) 900 (d) 225​
kkurt [141]

Answer:-

900

Verification:-

\\ \sf\longmapsto \dfrac{900}{5}=180

\\ \sf\longmapsto \dfrac{900}{10}=90

\\ \sf\longmapsto \dfrac{900}{15}=6

3 0
3 years ago
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PLEASE HELP IM VERY STUCK. :(​
tresset_1 [31]
the answer is D) because the line is curved
4 0
3 years ago
45 points! Help fast please
juin [17]

Answer:

Answer is A the first one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
(5a-2)(5a+2)-3(1-a)-3a=
attashe74 [19]
So first we need to know the order of operations
P - Parenthesis
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction

Then the special cases:
(I have attached a picture below)

Lets get into action!
(5a - 2)(5a + 2) - 3( 1 - a ) - 3a 
25a² - 4 - 3 + 3a - 3a 
25a² - 7 
25a² - 7 is the answer


8 0
3 years ago
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