The we should use ANOVA instead of several t-tests to evaluate the differences in the mean of three or more groups.
<h3>What is t test?</h3>
A t- test is a measurable test that is utilized to look at the method for two gatherings. It is many times utilized in speculation testing to decide if a cycle or treatment really meaningfully affects the number of inhabitants in interest, or whether two gatherings are not quite the same as each other.
<h3>Explain ANOVA test:</h3>
The ANOVA test permits an examination of multiple gatherings simultaneously to decide if a relationship exists between them.
<h3 /><h3>According to question:</h3>
We ought to utilize ANOVA rather than a few t-tests to assess the distinctions in the mean of at least three gatherings on the grounds that without fail, we direct a t-test (between two gatherings) there is some opportunity that a Kind I blunder is being made while doing the test.
To know more about t-test visit:
brainly.com/question/15870238
#SPJ4
The answer is 9:1. All you have to do is simplify it
Answer:
80 miles
Step-by-step explanation:
40 miles per hour means you move 40 miles in one hour.
If it took 2 hours to travel between the two towns at 40 mph, multiply 40 by 2 and you get 80.
Hope this helps!
Answer:
good
Step-by-step explanation:
