Answer:
Null hypothesis is: U1 - U2 ≤ 0
Alternative hypothesis is U1 - U2 > 0
Step-by-step explanation:
The question involves a comparison of the two types of training given to the salespeople. The requirement is to set up the hypothesis that type A training leads to higher mean weakly sales compared to type B training.
Let U1 = mean sales by type A trainees
Let U2 = mean sales by type B trainees
Therefore, the null hypothesis (H0) is: U1 - U2 ≤ 0
This implies that type A training does not result in higher mean weekly sales than type B training.
The alternative hypothesis (H1) is: U1 - U2 > 0
This implies that type A training indeed results in higher mean weekly sales than type B training.
Answer: 25. -17, -14, -3, 0, 2, 7
26. -26, -21, -13, -1, 5
27. -17, -16, -11, -4, 2, 9
28. -75, -63, -60, -52, 12, 70
Step-by-step explanation:
Answer: root of 18
9+9=x^2
18=x^2
x = 3 root of 2 or root of 18
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a = ( 0 , 7 ) & b = ( 3 , 1 )
First need to find the slope using the following equation :
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We have following equation to find the point-slope form of the linear functions using the slope and one of the through points .
I choose point (( a )) to put in the equation.
Add sides 7
This the slope-intercept form .
Done...
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