The length of a train car is 50.6 feet. This is 5.8 feet less than 6 times the width. What is the width? Round to the nearest te
1 answer:
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Divide the numerator by the denominator and any remaining values go back above the denominator.
Example:
17 / 4 is an improper fraction. To turn it into a proper fraction we do 17 divided by 4.
17 / 4 is 4 with a remainder of 4. So we put the 4 on the outside and the 1 back above the denominator, which is 4.
It ends up looking like this:
Example:
17 / 4 is an improper fraction. To turn it into a proper fraction we do 17 divided by 4.
17 / 4 is 4 with a remainder of 4. So we put the 4 on the outside and the 1 back above the denominator, which is 4.
It ends up looking like this:
Answer:
Step-by-step explanation:
For this case we have the following info given:
Treatment: 12 13 15 19 20 21 24
Control: 18 23 24 30 32 35 39
We can find the sample mean and deviations with the the following formulas:
And repaplacing we got:
the sample mean for treatment
the sample mean for treatment
the sample deviation for treatment
the sample deviation for control
the sample size for each sample
The degrees of freedom are given by:
The confidence interval for the difference of means is given by:
The confidence is 98% so then the significance is and
. Then the critical value would be:
And replacing we got: