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(1 point) working backwards, part i. a 90% confidence interval for a population mean is (70, 76). the population distribution is approximately normal and the population standard deviation is unknown. this confidence interval is based on a simple random sample of 26 observations. calculate the sample mean, the margin of error, and the sample standard deviation. use the t distribution in any calculations. round non-integer results to 4 decimal places. Get the answer
Category: statistics | Author: Sagi Boris


Selma Yafa 55 Minutes ago

(1) a piece of wire is bent to form a square of area 121 cm? calculate: a) the length of each side of the square b) the perimeter of the square


Ehud Raghnall 1 Hours ago

(1) '???????' ?????: ???????? ????? ? (a) ???????, (b) ??????? (c) ????????? ?(2)????????? ???? ???? ?(a) ??????,(b) ??????,(c) ?????? ?(3) '???+ ???


Mona Eva 1 Hours ago

(1) (10 points) find the characteristic polynomial of a (2) (5 points) find all eigenvalues of a. you are allowed to use your calculator or computer t