The correlation between the age and height of children is found to be about r = 0.7. Suppose we use the age x of a child to predict the height y of the child.  We conclude that

The National Center for Health Statistics reports that the systolic blood pressure for males 35 to 44 years of age has mean 118 and standard deviation 10. The medical director of a large company looks at the medical records of 225 executives in this age group and finds that the mean systolic blood pressure in this sample is =117. At a 5% significance level, the data fail to show significant evidence that the mean blood pressure of a population of executives differ from the national mean µ=118.   Based on the data, the value of the test statistic is

As the angle between a sling leg and the horizontal decreases, sling tension is increased

This is a example of a double eye synthetic fibre web sling

This image is a 

This is a example of a 

The part indicated in the circle is primarily  used for ______________ 

To be scientific, a hypothesis needs to be[blank] and [blank] .

Is the following a good scientific hypothesis?: “The number of siblings a child has is related to the number of friends they make in school.” Explain why or why not. If not, then rewrite and improve it.

Science is an [blank]  and [blank]  process.