What is the significance of the following percentages in statistical analysis?
A - HSC - SSCE Mathematics Standard - Question 4 - 2023 - Paper 1
Question 4
What is the significance of the following percentages in statistical analysis?
A. 80%
B. 75%
C. 84%
D. 97.5%
Worked Solution & Example Answer:What is the significance of the following percentages in statistical analysis?
A - HSC - SSCE Mathematics Standard - Question 4 - 2023 - Paper 1
Step 1
Percentage A: 80%
96%
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Answer
An 80% indicates that 80 out of 100 data points fall under a specific criterion. This level is often used as a benchmark in hypothesis testing.
Step 2
Percentage B: 75%
99%
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Answer
A 75% signifies that a majority of the data meets a certain standard, often used in quality assessments to denote acceptable performance.
Step 3
Percentage C: 84%
96%
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Answer
The significance of 84% is similar to that of the previous percentages; however, it offers a clearer margin for acceptable error in various analyses and gives insights into confidence intervals.
Step 4
Percentage D: 97.5%
98%
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Answer
A 97.5% indicates a high level of confidence in statistics, often used in the context of confidence intervals (typically the upper limit of a 95% interval). This shows that a result is likely to occur under specific conditions.
