andonly The margin of emor equahis selected group of S students with the billning estions 45 to 53 (9 points) are based on the Problem 3. 2.1 Part A 27 A point estimate for the average weight loss is a) The true mean of the population b) The standard deviation of the population The sample mean for the selected employees d) None of the above The point estimate for the average weight loss after one week of diet equals to pounds. a) 1.64 Part B: A com b) 8.20 Part C c) 2.60 S The ung' ILI cos. Am d) 0.44 The point estimate based on the sample data a) Is a biased estimate of the population mean because its value is different from the population mean 5 The sandand division of the sample proper b) Is biased estimate of the population mean because all sample values are positive )Is unbiased estimate of the population mean because its value is different from the Part Ci In a songhe of 300 were defective. Deterosine a 90% population mean d) Is unbiased estimate of the population mean because the expected value of the sam need for he promlage of deledive in mean equals the population mean From 0.35% 10 150% by From 1578 1 2085 ") From 0576 209%