Question: hello, need help with question 6 (b) please step by step without calculator. thanks bing Q5. Explain in detall what is meant by the term

hello,

need help with question 6 (b) please step by step without calculator.

thanks

hello, need help with question 6 (b) please step by step

bing Q5. Explain in detall what is meant by the term "unbiased estimator" AC 3.1 Q6. A computer company repairs large numbers of PCs and wants to estimate the mean time to repair a particular fault. Five repairs are chosen at random from the company's records and the times taken, in seconds, are 205 310 405 195 320 Calculate unbiased estimates of (a) the mean (b) the variance of the population of repair times from which this sample has been taken. AC 3.1

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