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805+ (Hard)|   Math Related|   Tables|            
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for Q1 Had it been 24% rather than 22%, we would not have been able to determine. Correct?

MartyMurray
Question 1

Did most respondents who indicated they somewhat agreed that class sizes should be reduced also indicate that they somewhat agreed that music classes should be added?

This question is tricky to find the answer to since we have only aggregate percentage information on how people responded and don't know how each survey responded responded. So, we may get the impression that there's no way to answer this question.

However, if we notice the following, we can see that we can determine the answer to this question.

47% of the respondents somewhat agreed that class sizes should be reduced.

22% of the respondents somewhat agreed that music classes should be added.

Since 22% is less than half of 47%, we know for sure that it is NOT the case that most respondents who indicated they somewhat agreed that class sizes should be reduced also indicate that they somewhat agreed that music classes should be added. After all, "most" of 47% is more than half of 47% or at least 24% of the respondents., which is greater than 22%.

So, even without knowing how individual respondents responded, we can answer this question.

Mark "Can be determined."

Question 2

What percentage of all respondents chose not to give an opinion about whether athletic facilities should be improved?

Since the text information says, "No respondent could choose more than one response option for each action," we know that the percentages in the four columns for "Improving athletic facilities" add up to the total percentage of respondents who chose to give an opinion about whether athletic facilities should be improved."

So, we can calculate the percentage who chose not to give an opinion about whether athletic facilities should be improved by totaling the four percentages in the four columns and subtracting from 100.

Knowing that we can calculate the percentage this question asks about, we can answer this question, "Can be determined," without doing the math.

If you want to see how the math works, it's 1.00 - (0.12 + 0.24 + 0.28 + 0.35) = 1.0 - 0.99 = 0.01 or 1%.

Mark "Can be determined."

Question 3

What percentage of all respondents indicated that they strongly disagreed with all four actions?

This question is tricky since we might get the impression we can simply take the smallest of the four percentages in the Strongly Disagree column, 0.02, as the percentage of all respondents who indicated that they strongly disagreed with all four actions.

However, we have to keep in mind that respondents who strongly disagreed with one action may not have strongly disagreed with another. So, the respondents who strongly disagreed with one action may or may not be the same as those who strongly disagreed with one or more of the other actions.

Thus, it could be that 2% of the respondents strongly disagreed with all four actions, 0% of the respondents strongly disagreed with all four actions, or a percentage between 2% and 0% strongly disagreed with all four actions.

So, the information provided does not allow us to answer this question.

Mark "Cannot be determined."

Correct Answer:
Can be determined, Can be determined, Cannot be determined
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for Q1 Had it been 24% rather than 22%, we would not have been able to determine. Correct?
That's correct.
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I have a doubt in question 1 - the solution stated says half of 47 is 23.5 and 22 is less so it can be determined.

While I get that it can be determined (after making a mistake)

But given that the question also states that - "Not every respondent gave an opinion for every activity"

We should check the total of the individual action and see how this "most" works out i.e.

50% of (98.2%) vs 50 % individual action ?
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Rickooreoisb
I have a doubt in question 1 - the solution stated says half of 47 is 23.5 and 22 is less so it can be determined.

While I get that it can be determined (after making a mistake)

But given that the question also states that - "Not every respondent gave an opinion for every activity"

We should check the total of the individual action and see how this "most" works out i.e.

50% of (98.2%) vs 50 % individual action ?

Did most respondents who indicated they somewhat agreed that class sizes should be reduced (47) also indicate that they somewhat agreed that music classes should be added?

“Not every respondent gave an opinion for every activity” only means some people skipped some actions, so a row may add to less than 1. It does not change what “most of the 47” means, because the 47 already counts only the respondents who did answer “somewhat agree” for reducing class sizes.

“Most of the 47” means more than half of 47, so at least 24 people. That threshold does not change.
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It takes time to interpret new survey methods.. Is there a page with examples of all possible survey. ?
parkhydel
A school district surveyed 100 parents to gather their opinions on the district's budgetary priorities. The table shows the percentages of all survey respondents who indicated that they strongly agreed, somewhat agreed, somewhat disagreed, or strongly disagreed that each of the four actions should occur. No other response options were available. No respondent could choose more than one response option for each action. Not every respondent gave an opinion for every activity.

ActionsStrongly
Agree
Somewhat
Agree
Somewhat
Disagree
Strongly
Disagree
Adding music classes0.180.220.250.17
Expanding library hours0.170.520.110.2
Improving athletic facilities0.120.240.280.35
Reducing class sizes0.40.470.110.02

For each of the following questions, select Can be determined if the answer to that question can be determined from the information given. Otherwise, select Cannot be determined.­

ID: 700229

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