Problem 5 In order for you to present numerical results in decimal form accurate to 0.01,...

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Problem 5 In order for you to present numerical results in decimal form accurate to 0.01, it will be necessary for your intermediate calculations to be accurate to 0.001. The mean age for Kings College students for a recent Fall term was 30.7 Suppose that 24 Winter students were randomly selected. The mean age for the sample was 33. The sample standard deviation equals 10 We are interested in the true mean age for Winter Kings College students. a. (396) b. (39) 0%) The standard error for x = d. (3%) The t value for a 95% confidence interval is e, o%) construct a 95% confidence interval for the sample mean. Fill in the blanks to clarify the following diagram. LL (ower limt) UL (upper limit)

c. (396) The standard error for x- 95% confidence interval for the sample mean. LL (lower limit) d. (396) The t value for a confidence interval is (3%) Construct a 95% Fill in the blanks to clarify the following diagram. e Al UL (upper limit) /L f. (3%) 1s the mean age fr the Fall term within our 95% confidence irterval for the mean age for the winter term E o r NO

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thot tc sample meo S 33 hus 又一33 5 s the somple Stondod deviatren auuest ion that sample sd (2) 15 is O L2 10 209 2 -t 9,0,05 ら 자 , 90.Cケ 04. 33-1833 * (2-Ou ) 1 334-1833 χ 2-Oy 33-3 3 / 33 + 3 구3 2a 363 LL (2q.2a

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