STAT 324 Week 7 Quiz

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Week 7 Quiz

Questions

Question 1 Simulated T Distribution

Question 2 Capacitor Proportions (Notes 6)

(a) Point estimate

(b) Approximate standard error

(c) 80% Z critical value

(d) 80% margin of error

(e) Complementary point estimate

(f) Complementary standard error

(g) 95% Z critical value

(h) 95% margin of error

Question 3 T Critical Values

(a) 90% critical value

(b) 95% critical value

(c) Comparison to Z

Question 4 Interpreting a Confidence Interval

(a) Population rents

(b) Sample rents

(c) Repeated-sampling coverage

(d) Sample mean

(e) Probability interpretation

(f) Sample standard deviation

(g) Z versus T intervals

Question 5 Bootstrap T Multipliers

Question 6 Student’s T Interval

Question 7 Comparing Samples

(a) Distance from the proposed mean

(b) Sample standard deviations

Question 8 Corrosion-Resistant Steel (Notes 7)

(b) Hypotheses

(c1) Type I error

(c2) Reducing Type I errors