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nordsb [41]
3 years ago
12

A psychology teacher gave a test to 200 students, and, after seeing the results, decided that the scores were

Mathematics
1 answer:
Anastasy [175]3 years ago
6 0

Answer:

Step-by-step explanation:

66-95-99.7 rule

standard deviation is 10. meaning that it'll deviate twice meaning you use the 95%

95% of 200 is 190, so 190 students had scores between 40 and 80

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