Quiz

SAS Stats

k2-robins 3 questions

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Questions in this quiz (3)

1Log (2p) is equal to:
1. Alog(2) * log(p)
2. Blog(2) + log(p)
3. C2 * log(p)
4. Dlog(p)^2
2A Normal distribution of x-values has a mean value of 100 and a standard
deviation of 15.
Calculate (to 3 sf) the z-value equivalent to an x-value of 130.
1. A2.00
2. B1.30
3. C1.20
4. D0.02
3The output of a particular pH meter is known to have a standard
deviation uncertainty of 0.04. This pH meter is used to measure the
pH of a solution which has a true value of 8.65. The probability that a single measurement will record a value
greater than pH = 8.70 is 89.44%. True or false?
1. ATrue
2. BFalse