For numbers 20-24, refer to the following problem. A sample of 100 grade 10 students' ages was obtained to estimate the mean of all grade 10 students. Given X = 15.3 years and the population variance is 16. 20. What is the point estimate for µ? A. 10 В. 15.3 С. 16 D. 100

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ANSWER 20-24 write the correct answer for each numbers

For numbers 20-24, refer to the following problem. A sample of 100 grade 10 students'
ages was obtained to estimate the mean of all grade 10 students. Given X = 15.3 years and
the population variance is 16.
20. What is the point estimate for µ?
A. 10
В. 15.3
С. 16
D. 100
21. What is the appropriate distribution to be used?
А.р
B. s
C. t
D. Z
22. What is the 90% confidence interval for µ?
А. 14.578 — 16
С. 14.642 — 15.958
В. 14.424 — 15.958
D. 15.3 – 16.09
23. What is the 95% confidence interval for u?
A. 14.06 – 16.494
C. 14.423 – 16.107
В. 14.516 — 16.084
D. 14.15 – 16.345
24. What is the 99% confidence interval for u?
A. 14.424 – 15.958
С. 14.423 — 16.107
В. 14.27 — 16.33
D. 14.06 – 16.494
Transcribed Image Text:For numbers 20-24, refer to the following problem. A sample of 100 grade 10 students' ages was obtained to estimate the mean of all grade 10 students. Given X = 15.3 years and the population variance is 16. 20. What is the point estimate for µ? A. 10 В. 15.3 С. 16 D. 100 21. What is the appropriate distribution to be used? А.р B. s C. t D. Z 22. What is the 90% confidence interval for µ? А. 14.578 — 16 С. 14.642 — 15.958 В. 14.424 — 15.958 D. 15.3 – 16.09 23. What is the 95% confidence interval for u? A. 14.06 – 16.494 C. 14.423 – 16.107 В. 14.516 — 16.084 D. 14.15 – 16.345 24. What is the 99% confidence interval for u? A. 14.424 – 15.958 С. 14.423 — 16.107 В. 14.27 — 16.33 D. 14.06 – 16.494
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