The data to represent average test scores for a class of 16 students includes an outlier value of 91. if the outlier is included, then the mean is 80. which statement is always true about the new data when the outlier is removed?

the median would decrease.
the median would increase.
the mean would decrease.
the mean would increase.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.