Given that: a. n = 14 and x = 325.5, find x . b. n =

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Given that:

a. n = 14 and Σx = 325.5, find x̅.

b. n = 45 and y̅ = 23.6, find the value of Σy.

c. Σz = 4598 and z̅ = 52.25, find the number of values in the set of data.

d. Σxf = 86 and x̅ = 7 1/6 = , find the value of Σf .

e. Σf = 135 and x̅ = 0.842, find the value of Σxf .

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 10, 2021 02:28 AM

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Given that: a. n = 14 and x = 325.5, find x . b. n =

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a To find the mean x we use the formula x x n Given that n 14 and x 3255 we can substitute these val...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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