The standard deviation from the National Health and Nutrition Survey is 1.29 hours. What is the variance (rounded to the hundredth place) ?

variance = 1.66 hours

Step-by-step explanation:

It is given that,

The standard deviation from the National Health and Nutrition Survey is 1.29 hours.

We need to find the variance. We know that the relationship between the variance and the standard deviation is given by :

or

Variance = 1.66

So, the variance is 1.66 hours.

0.5 meters per second

step-by-step explanation:

the average speed between 2 seconds and 8 seconds is 0.5 meters per second.

hope this ! mark brainliest!

x-3y=4

step-by-step e