A population has a mean of 5, with a standard deviation of 1. A sample of 50
items from that population has a mean of 4.5, with a standard deviation of
1.1.
Which equation describes the population parameter?

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation:

1. perpendicular

2. parallel

3. perpendicular