Match each description with the correct histogram of the dat…

Match each description with the correct histogram of the data. 1. Assessed value of a representative collection of houses in a city. 2. Number of bedrooms in the houses. 3. Height of house​ (in stories) for houses in a region that allows up to three stories but not more.

If the correlation between height and weight of a large grou…

If the correlation between height and weight of a large group of people is 0.67​, find the coefficient of determination​ (as a​ percent) and explain what it means. Assume that height is the predictor and weight is the​ response, and assume that the association between height and weight is linear.

Recently, a health organization estimated that the flu vacci…

Recently, a health organization estimated that the flu vaccine was 75​%  effective against the influenza B virus. An immunologist suspects that the current flu vaccine is less effective against this virus. Pick the correct pair of hypotheses the immunologist could use to test this claim.