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大學
數學與統計
請問時間算是interval data 嗎？謝謝
大學
數學與統計
SCENARIO 8-3 To become an actuary, it is necessary to pass a series of 10 exams, including the most important one, an exam in probability and statistics. An insurance company wants to estimate the mean score on this exam for actuarial students who have enrolled in a special study program. They take a sample of 8 actuarial students in this program and determine that their scores are: 2, 5, 8, 8, 7, 6, 5, and 7. This sample will be used to calculate a 90% confidence interval for the mean score for actuarial students in the special study program. 12. Referring to Scenario 8-3, the critical value used in constructing a 90% confidence interval is __________. 13. Referring to Scenario 8-3, a 90% confidence interval for the mean score of actuarial students in the special program is from __________ to __________.
大學
數學與統計
求解🙏
大學
數學與統計
求解第22題 算出0.1587跟0.8416之後不知道怎麼算
大學
數學與統計
想請問這題如何解（統計學，計量經濟學）
大學
數學與統計
1.7 不懂為什麼不是description statistics 是因為後面的change 有經過計算嗎
大學
數學與統計
求解64題。統計間斷分配
大學
數學與統計
生物統計 Listed below are the heights (cm) for the simple random sample of 16 USA female supermodels (assuming it follows a normal distribution). Use a 0.01 significance level to test the claim that these samples is from a population with a mean height of 176 cm. Can we conclude that these USA supermodels are taller or shorter than the average? Please make sure your answers including (1) hypothesis, (2) test statistics, (3) critical values, (4) confidence interval, (5) conclusion. Please make your conclusion based on a) traditional method, b) Pvalue method, c) confidence interval method. 178 , 177, 176, 174, 175, 178, 175, 178, 178, 177, 180, 176, 180, 178 , 180, 176
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