What is the square root of 200
2 answers:
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Answer:
Yes I can :O
Mean: About 11.87
Median: 11
Mode: 10
Step-by-step explanation:
Mean: Add up all the numbers and divide by the total number of numbers
<em>*deep breath in haha*</em>
6+7+7+8+8+9+9+9+50 (the 10s)+33 (the 11s)+12+12+12+12+13+14+14+16+16+17+17+18+18+19=356
356 (total) / 30 (number of numbers) = 11.8666666666666666666666 etc = 11.87
Median: With all the numbers in order, the middle number (if there are two add them together and divide by 2)
Not much to show, just mark them off starting from the outside getting inside, you end up with 11!
- See attached
Mode: Data value that occurs most often, in this case we can see that 10 happened the most
Hope this helps, have a nice day! :D
<h2>Answer with explanation:</h2>
Let p be the population proportion of parents who had children in grades K-12 were satisfied with the quality of education the students receive.
Given : Several years ago, 39% of parents who had children in grades K-12 were satisfied with the quality of education the students receive.
Set hypothesis to test :
Sample size : n= 1055
Sample proportion :
Critical value for 95% confidence :
Confidence interval :
Since , Confidence interval does not contain 0.39.
It means we reject the null hypothesis.
We conclude that 95% confidence interval represents evidence that parents' attitudes toward the quality of education have changed.