In a city with three high schools, all of the ninth graders took a standardized test, with these results glenwood 80 271 central city 91 306 lincoln high 67 186 the city's pr manager, who never took statistics, claimed the mean score of all ninth graders in the city was 79.3. of course, that is incorrect. what is the mean score for all ninth graders in the city?

Mary had at least an 80% on her test write an inequality to represent this situation

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude