MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Polynomial

The test scor...

Question

The test scores of students are plotted in the given stem-and-leaf plot. How many students have scored test scores greater than 85?

A

4

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

B

3

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

C

7

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

D

5

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

Open in App

Solution

The correct option is B 3
The given stem-and-leaf plot is

The data set is

65, 66, 67, 72, 78, 79, 85, 91, 92, 97

Here, the data above 85 are 91, 92, 97

Hence, the total number of students who have got scores above 85 is 3.

Suggest Corrections

thumbs-up

0

Similar questions

Q. The marks obtained by 25 students in a science test are given below. (Marks out of 30)

\begin{matrix} 8 & 7 & 12 & 17 & 20 & 11 & 10 & 10 & 16 \\ 21 & 28 & 25 & 13 & 9 & 27 & 18 & 20 & 19 \\ 7 & 29 & 16 & 15 & 20 & 22 & 27 \end{matrix}

Using this data, answer the following questions:

(1) What is the lowest score obtained?
(2) How many students have obtained this lowest score?
(3) How many students have obtained 20 marks?
(4) What is the frequency of the score 27?
(5) How many students have scored more than 20 marks?

Q. The test scores of students are plotted in the given stem-and-leaf plot. How many students have scored test scores greater than 85?

Test scores of students \begin{tabular}{r|lll} \hline Stem & \multicolumn{3}{|c}{ Leaf } \\ \hline 6 & 5 & 6 & 7 \\ 7 & 2 & 8 & 9 \\ 8 & 5 & \\ 9 & 1 & 2 & 7 \\ & & & Key:6|5 \( =65 \) \end{tabular}

Q. The line plot below shows how students fared in last week's mathematics test.

Math test scores:

How many students scored 85 or less in the test?

Q. The line plot below shows how students fared in last week's mathematics test.

Math test scores:

(i) How many students scored 95 or more in the test?
(ii) How many students scored 85 or less in the test?

Q. The orange part represent the number of students who have scored greater than 60 in a test. If total number of students are 100, how many students have scored greater than 60 in the test?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Polynomial

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon