Aresearcher reports that there is no consistent relationship between grade point average and the number of hours spent studying for college students. the correlation between grade point average and the number of hours studying is an example of ) a positive correlation(b) a negative correlation(c) a correlation near 0(d) a correlation near 1

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.

What is the measure of dg? enter your answer in the box.