What is the class mark (x) of the class interval 10 -12? * TEST SCORES OF GRADE 7- JASMINE Score Frequency (f) Class mark (x) 13-15 5 14 10-12 8 7-9 10 8 4-6 6 5 1-3 1 2 30 ? ?. 10 ? ?. 11
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The class interval 10-12 represents the range of test scores from 10 to 12. Show more…
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