# Geometric sample standard deviation problems with answers

Recent questions in Sample Standard Deviation
Bobby Mitchell 2022-08-14

### What is the standard error of: {50.6, 59.8, 50.9, 51.3, 51.5, 51.6, 51.8, 52.0}?

Trevor Rush 2022-08-14

### What are the mean and standard deviation of {34, 98, 20, -1200, -90}?

Trystan Castaneda 2022-08-13

### The resting heart rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. How do you find the percentage of heart rates less than 85?

sarahkobearab4 2022-08-13

### For a population of size N=120 with a mean of 7.5 and a standard deviation of 1.5, find the estimated standard error of the mean for the following sample sizes:(i)n=9 (ii)n=25 ?

Brandon Monroe 2022-08-13

### What symbol is used for the standard deviation when it is a sample statistic? What symbol is used for the standard deviation when it is a population parameter?Sample statistic: $\sigma$. Population parameter: s.For both, s is used. For both, $\sigma$ is used.Sample statistic: s. Population parameter: $\sigma$.

Ronnie Rojas 2022-08-12

### In regards to confidence interval, what do we do if the variance is zero and our sample size is 15?

allucinemsj 2022-08-11

### Assume that the heights of women are normally distributed with a mean of 63.3 inches and a standard deviation of 2.5 inches. Seventy five women are randomly selected. What is the mean of the sample means?

Dorsheele0p 2022-08-10

### If the sample size increases, what will happen to the standard deviation?

Flambergru 2022-08-09

### What is the relationship between standard deviation and variance?

Tarnayfu 2022-08-09

### If 80% of the applicants are able to pass a driver's proficiency road test, how do you find the mean, variance, and standard deviation of the number of people who pass the test in a sample of 300 applicants?

Lorena Lester 2022-07-21

### What are the mean and standard deviation of {15, 9, 23, 12, 17}?

Elsa Brewer 2022-07-21

### A sample of n=25 scores has M=20 and ${s}^{2}=9$. What is the sample standard deviation?

valtricotinevh 2022-07-17