Chapter 3 – Data Handling
Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow: (iv) Can you explain how you would estimate the number of books sold in 1989?
07
Oct
Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow: (iv) Can you explain how you would estimate the number of books sold in 1989? Now answer the following questions: (iv) Who is the best performer? October [...]
Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow: (i) About how many books were sold in 1989? 1990? 1992? (ii) In which year were about 475 books sold? About 225 books sold? (iii) In which years were fewer than 250 books sold?
07
Oct
Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow: (i) About how many books were sold in 1989? 1990? 1992? (ii) In which year were about 475 books sold? About 225 books sold? (iii) In which [...]
Tell whether the statement is true or false: (iii) The median is always one of the numbers in a data. (iv) The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.
07
Oct
Tell whether the statement is true or false: (iii) The median is always one of the numbers in a data. (iv) The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9. -12 13 3% 4 8 9 9 has mean 9. Tell whether the statement is true or false: (iii) The median [...]
Tell whether the statement is true or false: (i) The mode is always one of the numbers in a data. (ii) The mean can be one of the numbers in a data.
07
Oct
Tell whether the statement is true or false: (i) The mode is always one of the numbers in a data. (ii) The mean can be one of the numbers in a data. Tell whether the statement is true or false: (i) The mode is always one of the numbers in a data. (ii) The mean [...]
Find the mode and median of the data: 13, 16, 12, 14, 19, 12, 14,
07
Oct
Find the mode and median of the data: 13, 16, 12, 14, 19, 12, 14, -12 14 16 … 19 Find the mode and median of the data: 13 October 7, 2020 Category: Chapter 3 - Data Handling , Maths , NCERT Class 7 ,
The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 (i) Find the mode and median of this data. (ii) Is there more than one mode?
07
Oct
The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 (i) Find the mode and median of this data. (ii) Is there more than one mode? -45 3^2 35° 36 37 38 40 42 43 47 (i) Find the [...]
The runs scored in a cricket match by 11 players is as follows: 6, 15, 120, 50, 100, 80, 10, 15, 8, 10, 15 Find the mean, mode and median of this data. Are the three same?
07
Oct
The runs scored in a cricket match by 11 players is as follows: 6, 15, 120, 50, 100, 80, 10, 15, 8, 10, 15 Find the mean, mode and median of this data. Are the three same? 10 100 120 15 15 Find the mean 50 8 80 mode and median of this data. Are [...]
The scores in mathematics test (out of 25) of 15 students is as follows: 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Find the mode and median of this data. Are they same?
07
Oct
The scores in mathematics test (out of 25) of 15 students is as follows: 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Find the mode and median of this data. Are they same? -12 10 15 16 … 20 20 Find the mode and median of this data. [...]
9. The heights of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. (v) How many girls have heights more than the mean height.
07
Oct
9. The heights of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. (v) How many girls have heights more than the mean height. 128 132 139 141. (v) How many girls have heights more than the mean height. 143 146 149 [...]
9. The heights of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. (iv) What is the mean height of the girls?
07
Oct
9. The heights of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. (iv) What is the mean height of the girls? 128 132 139 141. (iv) What is the mean height of the girls? 143 146 149 150 151 9. The [...]