Short Answer

A researcher needs to find the cumulative frequency of students scoring 2222 or higher on the Rosenberg Self-Esteem Scale. Using the table's data (33 students scored 2424, 55 students scored 2323, and 1010 students scored 2222), calculate this total and write out the sum.

Question: A researcher needs to find the cumulative frequency of students scoring 2222 or higher on the Rosenberg Self-Esteem Scale. Using the table's data (33 students scored 2424, 55 students scored 2323, and 1010 students scored 2222), calculate this total and write out the sum.

Sample answer: To find the number of students who scored 2222 or higher, add the frequencies of scores 2222, 2323, and 2424: 10+5+3=1810 + 5 + 3 = 18. Therefore, 1818 students scored 2222 or higher.

Key points:

  • Identify frequencies for scores 2222, 2323, and 2424 as 1010, 55, and 33 respectively.
  • Add these frequencies together (10+5+310 + 5 + 3) to find the cumulative count.
  • Correctly calculate the sum as 1818 students.

Feedback: To solve this, sum the frequencies for the scores that are greater than or equal to 2222. The sum is 10+5+310 + 5 + 3, which equals 1818.

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Updated 2026-05-27

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Research Methods in Psychology - 4th American Edition @ KPU

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