'of' means multiply
1/4 of (1/4 times ) the opposite of (-) difference of 5 and a number (5-n) is lesss than 20 (<20)
1/4 times -(5-n)<20
multiply both sides by 1/4
-(5-n)<5
multiply both sides by -1 remember to flip sign
5-n>-5
add n
5>n-5
add 5
10>n
n<10
the number is any number less than 10
Answer:
7 cups of sugar
Step-by-step explanation:
Find out how many pies Luca need to bake left =
45 - 17 = 28
1 cup of sugar = 4 pies
28 ÷ 4 = 7 cups of sugar
This may be wrong as this was rushed as I have to go for my next class now.
Data,title,independent, dependent viabarles...constants
The value of t obtained is 4.76
Given,
Mean of group 1, = 10
Mean of group 2, = 12
= 5
= 8
Number of individuals per group, n = 6
The degrees of freedom are calculated as:
= ( 8-1) + (8-1) = 7 + 7 = 14
The difference between sample means is:
= = 10 - 12 = 2
Here n is equal for both groups which is = 8
Now,
The standard deviation of sample 1 :
The standard deviation of sample 2 :
Now, we have to calculate the standard error for the difference of the means.
MSE =
=
=
MSE = 0.7237
Then, the standard error can be calculated as:
Now we can calculate t :
Learn more about standard deviation here : brainly.com/question/16403666
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Answer:
they added 6 on the right instead of subtracting 6
Step-by-step explanation: