question archive question 1 a) A population of scores has a mean of 25 and a standard deviation of 7
question 1 a) A population of scores has a mean of 25 and a standard deviation of 7
Subject:StatisticsPrice: Bought3
question 1 a) A population of scores has a mean of 25 and a standard deviation of 7. Therefore, the sampling distribution of the mean, for samples of size 17 drawn from this population, has a standard error of _____
round to at least 5 decimal places.
b) If a normal distribution has a mean of 17.59 and standard deviation of 10.66. What proportion of the distribution of means falls between 16 and 19 when sample size is 41?
round to at least 5 decimal places.
c) A normal distribution of scores has a mean of 50 and a standard deviation of 83.6. A sample of 63 scores has been drawn from this distribution. The mean (m) of the sample is 47.91. Compute the lower limit of the 95% confidence interval around m.
round to at least 5 decimal places.
