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研究所、轉學考(插大)◆機率與統計
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110年 - 110 國立中山大學碩士暨碩士專班招生考試_應數系碩士班/甲組:機率與統計#105484
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題組內容
2. Please explain the following terms.
c. [4%] What is the "parameter" of a Student's t-distribution?
其他申論題
10.承上題，其本益比應為(10)。
#448315
1. [10%] The probability density function of a random variable Z is Find the cumulative distribution function of S = Z2.
#448316
a. [4%] What is a 95% confidence interval?
#448317
b. [4%] What is p-value?
#448318
a. [4%] the null hypothesis and the alternative hypothesis,
#448320
b. [4%] the test statistic (no need to simplify your answer),
#448321
c. [4%] the sampling distribution of the test statistic under the the null hypothesis. 18 32
#448322
4. [10%] An online poll states that 50% people dislike a certain policy. For the next poll on the same topic, let be the point estimate of the true proportion ±2.5%? (Note:is the cumulative distribution function of a standard normal random variable Z. And 1.962 = 3.8416, 1.642 =2.6896, 1.282 =1.6384.)
#448323
5. [16%] Fill in the cells ⓐ~ⓔ on the incomplete analysis of variance table below from a one way randomized design. Also write down ⓕ the null hypothesis, ⓔthe alternative hypothesis, and ⓗ the conclusion for the F test using a significance level of 5%.
#448324
a. [7%] Find a method of moments estimator for a in terms of the sample mean.
#448325
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