Chapter 14 – Statistics
3. In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is :
03
Jul
3. In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The lower limit of the class is : 3. In a frequency distribution the mid value of a class is 10 and the width of the class is 6. The lower limit of the [...]
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is
03
Jul
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is -12 -22 10 11 15 16 … 17 18 19 2. The range of the data : 25 20 20 is 3^2 30 6 8 July 3, 2021 Category: Chapter 14 [...]
1. The class mark of the class 90 – 120 is :
03
Jul
1. The class mark of the class 90 – 120 is : 1. The class mark of the class 90 - 120 is : July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 ,
6. Give one example of a situation in which (i) the mean is an appropriate measure of central tendency. (ii) the mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency.
17
Oct
6. Give one example of a situation in which (i) the mean is an appropriate measure of central tendency. (ii) the mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency. 2. In a mathematics test given to 15 students 39 40 42 46 48 5^2 [...]
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2. In a mathematics test given to 15 students ,
39 ,
40 ,
42 ,
46 ,
48 ,
5^2 ,
54 ,
60 Find the mean ,
62 ,
96 ,
98 ,
median and mode of this data. ,
the following marks (out of 100) are recorded: 41 ,
5. Find the mean salary of 60 workers of a factory from the following table:
17
Oct
5. Find the mean salary of 60 workers of a factory from the following table: 5. Find the mean salary of 60 workers of a factory from the following table: October 17, 2020 Category: Chapter 14 - Statistics , Maths , NCERT Class 9 ,
4. Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18.
17
Oct
4. Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18. -22 14 17 18 23 25 28 4. Find the mode of 14 October 17, 2020 Category: Chapter 14 - Statistics , Maths , NCERT Class 9 ,
3. The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x+2, 72, 78, 84, 95
17
Oct
3. The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x+2, 72, 78, 84, 95 3^2 3. The following observations have been arranged in ascending order. If the median of the data is 63 48 50 7^2 [...]
2. In a mathematics test given to 15 students, the following marks (out of 100) are recorded: 41, 39, 48, 52, 46, 62, 54, 40, 96, 52, 98, 40, 42, 52, 60 Find the mean, median and mode of this data.
17
Oct
2. In a mathematics test given to 15 students, the following marks (out of 100) are recorded: 41, 39, 48, 52, 46, 62, 54, 40, 96, 52, 98, 40, 42, 52, 60 Find the mean, median and mode of this data. 2. In a mathematics test given to 15 students 39 40 42 46 48 [...]
Tags:
2. In a mathematics test given to 15 students ,
39 ,
40 ,
42 ,
46 ,
48 ,
5^2 ,
54 ,
60 Find the mean ,
62 ,
96 ,
98 ,
median and mode of this data. ,
the following marks (out of 100) are recorded: 41 ,
1. The following number of goals were scored by a team in a series of 10 matches: 2, 3, 4, 5, 0, 1, 3, 3, 4, 3 Find the mean, median and mode of these scores.
17
Oct
1. The following number of goals were scored by a team in a series of 10 matches: 2, 3, 4, 5, 0, 1, 3, 3, 4, 3 Find the mean, median and mode of these scores. 1 1. The following number of goals were scored by a team in a series of 10 matches: 2 [...]
9. 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: (i) Draw a histogram to depict the given information. (ii) Write the class interval in which the maximum number of surnames lie.
17
Oct
9. 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: (i) Draw a histogram to depict the given information. (ii) Write the class interval in which the maximum number of surnames lie. 2. [...]