Answer:
Add
Divide
Step-by-step explanation:
When you have 2 medians you have to add the 2 numbers together and then divide by two. This is to find the average of the 2 numbers.
Answer:
Positive
Step-by-step explanation:
A negative divided by a negative can cancel out to make a positive. So, 
.
I hope this helps!
Answer:
so whats the question
Step-by-step explanation:
Per month means multiply
Total means the amount your ending with but for this you could say add
Final answer f = 4.75 + 10m
All our answers lie in the above statement.
Confidence Level:
The creator claims that 9 out 10 students will have the average score in the said range. Or in other words we can say that the creator is 90% confident about the result of the field test. So the confidence level is 90%.
Margin of Error:
The average score lies within 4% of 70%. This means the margin of error is 4% i.e. the average scores can deviate from 70% by 4% .
Confidence Interval:
Lower Limit = 70% - 4% = 66%
Upper Limit = 70% + 4% = 74%
Interpretation:
The exam creator is 90% confident that the average scores of seniors will be between 66% and 74%.
