Step-by-step explanation:
6x + 120y + 6x2 
Final answer 
 
        
             
        
        
        
When a researcher needs to compare means for a variable grouped into two
categories based on some less-than interval variable, a t-test is appropriate.
To add, The analysis of two populations means through the use of
statistical examination is called a t-test. Small sample sizes commonly
use a t-test with two
samples. <span> What statisticians call as test statistics are
identified as t-values. A systematized value that is calculated from sample
data during a hypothesis test is called a test statistic. The procedure that
calculates the test statistic compares your data to what is expected under the </span>null
hypothesis<span>.
You already have an experience with the basic principles behind a t-test if you’ve
tried to communicated with a distracted teenager.</span>
 
        
             
        
        
        
Answer:
The symbol 'n,' represents the total number of individuals or observations in the sample.
 
        
                    
             
        
        
        
Answer:
<h2>40</h2>
Step-by-step explanation:
90 degree angle
90 - 50 = 40
 
        
             
        
        
        
Answer:
67.59
Step-by-step explanation: