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The mean of the data : 2, 8, 6, 5, 4, 5, 6, 3, 6, 4, 9, 1, 5, 6, 5 is given to be 5. Based on this information, is it correct to say that the mean of the data: 10, 12, 10, 2, 18, 8, 12, 6, 12, 10, 8, 10, 12, 16, 4 is 10? Give reason.
04
Jul
The mean of the data : 2, 8, 6, 5, 4, 5, 6, 3, 6, 4, 9, 1, 5, 6, 5 is given to be 5. Based on this information, is it correct to say that the mean of the data: 10, 12, 10, 2, 18, 8, 12, 6, 12, 10, 8, 10, 12, 16, [...]
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4 is 10? Give reason. ,
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5 is given to be 5. Based on this information ,
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is it correct to say that the mean of the data: 10 ,
The mean of the data : 2 ,
A die is thrown 1000 times and the outcomes were recorded as follows : If the die is thrown once more, then the probability that it shows 5 is :
04
Jul
A die is thrown 1000 times and the outcomes were recorded as follows : If the die is thrown once more, then the probability that it shows 5 is : A die is thrown 1000 times and the outcomes were recorded as follows : If the die is thrown once more then the probability that [...]
The class-mark of the class 130-150 is :
04
Jul
The class-mark of the class 130-150 is : The class-mark of the class 130-150 is : July 4, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 ,
The marks obtained by 17 students in a mathematics test (out of 100) are given below :
04
Jul
The marks obtained by 17 students in a mathematics test (out of 100) are given below : The marks obtained by 17 students in a mathematics test (out of 100) are given below : July 4, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 ,
12. A total of 25 patients admitted to a hospital are tested for levels of blood sugar, (mg/dl) and the results obtained were as follows : Find mean, median and mode (mg/dl) of the above data
04
Jul
12. A total of 25 patients admitted to a hospital are tested for levels of blood sugar, (mg/dl) and the results obtained were as follows : Find mean, median and mode (mg/dl) of the above data (mg/dl) and the results obtained were as follows : Find mean 12. A total of 25 patients admitted to [...]
11. The mean marks (out of 100) of boys and girls in an examination are 70 and 73, respectively. If the mean marks of all the students in that examination is 71, find the ratio of the number of boys to the number of girls.
04
Jul
11. The mean marks (out of 100) of boys and girls in an examination are 70 and 73, respectively. If the mean marks of all the students in that examination is 71, find the ratio of the number of boys to the number of girls. 11. The mean marks (out of 100) of boys and [...]
10. The mean of the following distribution is 50. Find the value of a and hence the frequencies of 30 and 70.
04
Jul
10. The mean of the following distribution is 50. Find the value of a and hence the frequencies of 30 and 70. 10. The mean of the following distribution is 50. Find the value of a and hence the frequencies of 30 and 70. July 4, 2021 Category: Chapter 14 - Statistics , Chapter 15 [...]
9. Following table gives the distribution of students of sections A and B of a class according to the marks obtained by them. Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe?
04
Jul
9. Following table gives the distribution of students of sections A and B of a class according to the marks obtained by them. Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe? 1. The class mark of the class 90 - 120 [...]
8. Refer to Q. 7 : Draw the frequency polygon representing the above data without drawing the histogram.
04
Jul
8. Refer to Q. 7 : Draw the frequency polygon representing the above data without drawing the histogram. 8. Refer to Q. 7 : Draw the frequency polygon representing the above data without drawing the histogram. July 4, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 [...]
7. Following table shows a frequency distribution for the speed of cars passing through at a particular spot on a high way : Draw a histogram and frequency polygon representing the data above.
04
Jul
7. Following table shows a frequency distribution for the speed of cars passing through at a particular spot on a high way : Draw a histogram and frequency polygon representing the data above. 7. Following table shows a frequency distribution for the speed of cars passing through at a particular spot on a high way [...]