Determine whether the observed frequencies of responses from this survey are the same as the frequencies that would be expected on the basis of the national survey. Hint: Think Chi-squared goodness-of-fit, and see Ppts and Selected Example Solutions. Can you describe a Chi-squared application, either goodness-of-fit or test-for-independence, in your profession

Can you me find the missing length. i attached an image.

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122