Question: answer the ff. 21.If we use the standard normal distribution, the probability of obtaining a z-value between 1 and 2 is 0.0228 0.1359 0.3143 0.4772

answer the ff.

21.If we use the standard normal distribution, the probability of obtaining a z-value between 1 and 2 is

0.0228

0.1359

0.3143

0.4772

22.Which of the following measures of central tendency would be appropriate to describe the average pulse rates of group of surgical patients?

mode

median

mean

decile

23.The lowest scale of measurement required to calculate the mean is

nominal

ordinal

interval

ratio

24.In a positively skewed distribution, the mean is always

smaller than the median

larger than the median

equal to the median

none of the above

25.Half the observations are always larger than the

mean

median

mode

total

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