Questions LLC
Login
or
Sign Up
Ask a New Question
Mathematics
Statistics
Normal Distribution
In a normal distribution, approximately what percent of data items fall within 1 standard deviation of the mean (in both directions)?
65%
68%
99.7%
95%
1 answer
68%
You can
ask a new question
or
answer this question
.
Related Questions
A normal distribution has a mean of 645.33 and a standard deviation of 12.78. Approximately 68 percent of the data will lie
Given that a sample is approximately bell-shaped with a mean of 60 and a standard deviation of 3, the approximate percentage of
Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard
Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25.
Find the
if the heights of men follow a normal distribution, and 99.7% fall between 5" and 7" what is the estimate standard deviation of
A. In a given normal distribution, the sample mean is 75 and the sample standard deviation is 4. Find the corresponding standard
the average number of passengers on a subway car is 60. If the number of passengers on a car has normal distribution with a
Observations are drawn from a bell-shaped distribution with a mean of 35 and a standard deviation of 3.
a. Approximately what
The score distribution of the final exam in a data science course follows a normal distribution with mean 70 and standard
When finding a confidence interval for a population mean based on a sample of size 11, which assumption is made?
The standard