John took thirty different quizzes with ten questions each.
The number of questions answered correctly each time was as follows:

4, 2, 6, 8, 3, 5, 5, 3, 6, 6, 7, 4, 3, 10, 5, 4, 9, 7, 6, 3, 8, 8, 4, 4, 5, 3, 6, 4, 7, 9

Construct the frequency distribution table using tally marks to find out how many quizzes he scored 8 or more?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
6

He scored 8 in three quizzes, 9 in two quizzes and 10 in one quiz.
Thus, the number of quizzes in which he scored 8 or more than 8 is 3+2+1=6.

Suggest Corrections

Similar questions

By using data in example (6), and taking classes 30-40, 40-50... prepare equal to or more than type cumulative frequency table and answer the following questions based on it.

(i) How many students have scored marks 70 or more than 70 ?

(ii) How many students have scored marks 30 or more than 30 ?

Q. In a test, +2 marks are given for each correct answer and ( - 1 ) for each wrong answer. A student scored 21 and answered 12 questions correctly. How many questions did he answer incorrect? How many questions did he attempt in total? [4 MARKS]

Q. In a computerised test of 50 Questions, for each correct answer 1 mark is awarded and for each wrong answer 0.25 mark is deducted. A student answered the first 35 questions correctly. How many more questions from the remaining 15 should he answer correctly to score

80 %

Hermaan scored 40 marks in a test, getting 4 marks for each right answer and losing 1 mark for each wrong answer. If the number of questions he answered wrongly is 1 less than the number of questions he answered correctly, then find the number of questions he answered correctly.

Q. In a computerised test of 50 questions, for each correct answer, 1 mark is awarded, and for each wrong answer, 0.25 marks are deducted. If a student answered the first 35 questions correctly, how many more questions from the remaining 15 should he answer correctly to score 80% given that he attempted all questions?

Join BYJU'S Learning Program

The correct option is C 6 He scored 8 in three quizzes, 9 in two quizzes and 10 in one quiz. Thus, the number of quizzes in which he scored 8 or more than 8 is 3+2+1=6.

The correct option is C
6

He scored 8 in three quizzes, 9 in two quizzes and 10 in one quiz.
Thus, the number of quizzes in which he scored 8 or more than 8 is 3+2+1=6.