quiz scores\nstem|leaf\n6|3\n7|0 0 4 7\n8|2 5 5 9\n9|4 7 9\n10|0 0\nkey: 9|4=94\nthats correct! 63% is the…
quiz scores\nstem|leaf\n6|3\n7|0 0 4 7\n8|2 5 5 9\n9|4 7 9\n10|0 0\nkey: 9|4=94\nthats correct! 63% is the lowest score on the chart.\nhow many scores were 90% and above?\nhint: count the digits after the 9 and 10 (90% and 100%).
Answer
Explanation:
Step1: Identify scores 90% and above
Scores in the 9 - stem are 94, 97, 99 and scores in 10 - stem are 100, 100.
Step2: Count the scores
Count the number of scores in the 9 - stem and 10 - stem. There are 3 scores in the 9 - stem and 2 scores in the 10 - stem.
Answer:
5