The accompanying relative frequency give represents the composite score on a sta

Question

The accompanying relative frequency give represents the composite score on a standardized test for a high school graduating class. Complete parts (a) through (d) below. Click the icon to view the ogive. (a) Estimate the percentage of students who had a composite score of 30 or below. The percentage of students who had a composite score of 30 or below is about 74%. (b) Estimate the percentage of students who had a composite score of 35 or above. The percentage of students who had a composite score of 35 or above is about 9% (c) If 1, 300, 599 students from the class took the exam, approximately how many students had a score of Approximately 982443 students had a score of 30 or below. Round to the nearest integer as needed.) Approximately 104048 students had a score of 35 or above. Round to the nearest integer as needed.) (d) What is the approximate score at which half the students scored better and half scored worse? The approximate score at which half the students scored better and half scored worse is 26.

Explanation / Answer

A ll cal culations made by you are correct,

Since this is a cumulative frequency , ogive . Every point is a running total of frequencies.Hence all calculations made by you are right .

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