Mathematics, 22.07.2021 17:20 whrjegt4jrnfdvj
Question: (a) With examples, distinguish between measures of dispersion and measures of position (b) The mean and standard deviation of 40 observations of scores of mathematics are found to be 20 and 4 respectively. On rechecking, it was found that an observation 8 was incorrect. Calculate the correct mean and standard deviation in each of the following cases: i. ii. If the wrong score is omitted. If it is replaced by 12.
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What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12
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Question: (a) With examples, distinguish between measures of dispersion and measures of position (b)...
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