You are given the following information about a credibility model: Bayesian Estimate of Second Observation Unconditional Probability 1/3 First Observation 1 1.50 1/3 1.50 1/3 3.00 Determine the Bühlmann credibility estimate of the second observation, given that the first observation is 1.
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- Create a 95% confidence interval for the data set below. 70 59 58 72 66 58 70 70 64 59 56 68 72 68 ( , ) [three decimal accuracy] [three decimal accuracy]d) Construct a 90% confidence interval for Hcommunity college - Hno transfer to approximate the mean additional time it takes to complete a bachelor's degree if you begin in community college. The confidence interval is the range from to (Round to three decimal places as needed.)Chapter 9, Section 3, Exercise 061 Two intervals are given, A and B, for the same value of the explanatory variable. A: 16.5 to 25.1; B: 16.3 to 25.3; (a) Which interval is the confidence interval for the mean response?A or B Which interval is the prediction interval for the response? A or B (b) What is the predicted value of the response variable for this value of the explanatory variable?Enter the exact answer.The predicted value is=
- Suppose that 6 people sign up for a weight loss program. You collect their weights before and after the program: The lower bound for the 95% Confidence Interval is ........... (round your answer to three decimal places). Person Before After 1 136 125 2 205 195 3 157 150 4 138 140 5 175 165 6 166 160vii) Using the model in in part xi, what is the predicted value for Y and the 95% confidence interval for those values? Use Y+/-2*Model Error X1 X2 X3 Ylower 95% upper 95% 1 3 2 0 10Report an appropriate hypothesis test for a positive linear relationship and use a 5% significance level. Explain the potential error in words, in context. In the answer options below I have used the phrase “a certain relationship” because I don’t want to give away exactly what type of relationship it is. Group of answer choices We would be accepting that there was a certain relationship between Sale amount and Tip when actually there wasn’t. We would not be accepting that there was a certain relationship between Sale amount and Tip when indeed there wasn’t. We would not be accepting that there was a certain relationship between Sale amount and Tip when actually there was. We would be accepting that there was a certain relationship between Sale amount and Tip when indeed there was.
- Listed below are the amounts of net worth in millions of the 10 wealthiest celebrities in a certain country. Construct a 90% confidence interval. What does the result tell us about the population of all the celebrities? Does the data appear to be from a normally distributed population as required? 247 208 196 173 166 161 148 148 143 143For the data set below, calculate r, r2, and a 95 percent confidence interval in r units. Then write a one- to two sentence conclusion statement that includes whether the null hypothesis was rejected or not and whether there is a strong /weak/no relationship. Assume a two tailed hypothesis and α = .05. Case 1 Case 2 Case 3 Case 4 Case 5 Case 6 X 1.05 1.15 1.30 2.00 1.75 1.00 Y 2 2 3 4 5 2Subject: statistics
- You are given the following data taken from a normally distributed population: 1.1 2.5 2.7 3.1 4.8 5.9 6.3 7.1 7.5 Manually construct the resulting 99% Confidence interval for µ. (Use of 1-Var-Stats all that is allowed along with simple arithmetic)A 95% confidence interval implies that: A. We are 95% confident that the interval contains the true population mean B. The interval range contains 95% of the values in your dataset C. There is a 5% chance the mean will be found in the CI rangeIn terms of z scores, a 99% confidence interval consists of which of the following ranges? 1. ±1 z 2. ±1.96 z 3. ±2.05 z 4. ±2.56 z