Bowling strike rate for a bowler is defined as the average number of balls bowled per wicket taken A bowler has taken148wickets so far with a strike rate of27 In his next match he bowls48balls and takes2wickets What is his new strike rate Show your work

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

For the given data:

Class	Frequency
$160 - 170$	$20$
$170 - 180$	$110$
$180 - 190$	$130$
$190 - 200$	$80$
$200 - 210$	$60$

The median is _____.

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

What is the median of the following list of numbers?

$5, 3, 6, 9, 11, 19$ and $1$

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The median of the first seven prime numbers, is ______.

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Find the average of the first ten natural number.

MEDIUM

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The mean and median of $7, 5, 5, 2, 7, 6, 5, 3, 7, 6$ is-

1. $5.3$ and $5$

2. $5$ and $5.5$

3. $5$ and $6$

4. $5.3$ and $5.5$

MEDIUM

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

In a class of $40$ students, marks obtained by the students in a class test (out of $10$ ) are given below:

Marks	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
Number of students	$1$	$2$	$3$	$3$	$6$	$10$	$5$	$4$	$3$	$3$

Calculate the Median for the given distribution.

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

What is the mode of the given data?

$4, 3, 7, 13, 16, 23, 3, 4, 7, 4, 3, 3, 9, 6, 9, 6$

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

If the mean of the numbers

6, 7, x, 8, y, 16

is

9

then:

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The following is the price of Cabbage over 12 months. What is the median price?

Question Image

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The scores obtained by a team in kabaddi series is as follows:

17, 2, 7, 27, 15, 5, 14, 8, 10, 24, 48, 10, 8, 7, 18, 28

. Find the mean score obtained by the team?

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Find the median of the scores

7, 10, 5, 8, 9

.

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

If the mean of the first

n

natural numbers is

15

, then find

n

.

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Find the median of the following data:

$45, 41, 43, 38, 40, 42, 44$

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The median of the given data

\frac{1}{2}, \frac{2}{7}, \frac{3}{4}, \frac{1}{3}, \frac{5}{8}

is:

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

m

is the mean of

10

observations. If one observation

' n'

is removed, then the new mean is _____

MEDIUM

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The mean of a frequency distribution is $8.1$ if $\sum_{} f_{i} x_{i} = 132 + 5 k$ and $\sum_{} f_{i} = 20$ then what is the value of $k$ ?

MEDIUM

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Find the mean of distribution if its median and mode are $45 & 13$ respectively.

EASY

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Find the difference of mean and Median value of

5, 8, 2, 6, 9, 15, 12, 18 o f t h e n u m b e r

?

HARD

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

The mean of the following distribution is $18$ . Find the frequency $f$ of the class $19 - 21$ .

Class	$11 - 13$	$13 - 15$	$15 - 17$	$17 - 19$	$19 - 21$	$21 - 23$	$23 - 25$
Frequency	$3$	$6$	$9$	$13$	$f$	$5$	$4$

MEDIUM

Mathematics>Statistics and Probability>Statistics and Probability>Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Find the mean of the following distribution:

Class	$3 - 5$	$5 - 7$	$7 - 9$	$9 - 11$	$11 - 13$
Frequency	$5$	$10$	$10$	$7$	$8$

Bowling strike rate for a bowler is defined as the average number of balls bowled per wicket taken. A bowler has taken $148$ wickets so far with a strike rate of $27$ . In his next match, he bowls $48$ balls and takes $2$ wickets. What is his new strike rate? Show your work.

Important Questions on Statistics and Probability

Learn and Prepare for any exam you want !

Bowling strike rate for a bowler is defined as the average number of balls bowled per wicket taken. A bowler has taken 148 wickets so far with a strike rate of 27. In his next match, he bowls 48 balls and takes 2 wickets. What is his new strike rate? Show your work.

Important Questions on Statistics and Probability

Learn and Prepare for any exam you want !

Bowling strike rate for a bowler is defined as the average number of balls bowled per wicket taken. A bowler has taken $148$ wickets so far with a strike rate of $27$ . In his next match, he bowls $48$ balls and takes $2$ wickets. What is his new strike rate? Show your work.