Jharne De and Ranjana Kumar Solutions for Chapter: Data Handling, Exercise 5: Test Paper 1

The mean of $5, 2, 1, 12,$ and $15$ is_____.

The median of $4, 3, 7, 5,$and $7$ is _____.

The mode of $5, 3, 7, 4, 3, 4, 1,$and $4$is _____.

In a one-day cricket match, the runs scored by the players of a team are as follows:
$12. 87, 25, 105, 34, 45, 21, 2, 9, 8, 70$

Calculate the average score.

A box has $6$ red and $3$ black marbles. One marble is selected at random. Find the probability that the selected marble is red.

The given table shows the marks obtained by five students of class $7$ in half-yearly and annual exams in mathematics. The marks shown are out of $100$. Represent this data in a double bar graph and answer the following questions:

  Which student performance improved the most?

The given table shows the marks obtained by five students of class $7$ in half-yearly and annual exams in mathematics. The marks shown are out of $100$. Represent this data in a double bar graph and answer the following questions:

The given table shows the marks obtained by five students of class 7 in half-yearly and annual exams in mathematics. The marks shown are out of 100. Represent this data in a double bar graph and answer the following questions:

Who scored the least marks in annual exams?