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If the mean of the distribution is \( 2.6 \), then the value of \( y \) is________
The harmonic mean of \( 4,8,16 \) is______
Mean of \( 100 \) items is \( 49 \). It was discovered that three items which should been \( 60,70,80 \) were wrongly readed as \( 40,20,50 \) respectively. Then, the correct mean is_______
A school has four sections of Chemistry in class XI having \( 40,35,45 \) and \( 42 \) students. The mean marks obtained in chemistry test are \( 50,60,55 \) and \( 45 \) respectively for the four sections, the over all average of marks per students is______
The mean of \( 5 \) numbers is \( 18 \). If one number is excluded, their mean becomes \( 16 \). Then the excluded number is _______
The class marks of a distribution are \( 6,10,14,18,22,26,30 \), then the class size is_______
For a frequently distribution \( 7^{th} \) decide is computed by ______
Which of the following, in case if a discrete data, is not equal to the median_______
Lower quartile is not equal to the median.
The mean of \( 10,14,11,9,8,12,6 \) is_______
Arranging in ascending order that is Total term Median term
The relation between the median \( M \), the \( 2^{nd} \) quartile \( Q_2 \), the \( 5^{th} \) decile \( D_5 \) and the \( {50}^{th} \) percentile \( P_{50} \), of a set of observations is _______
, as their coressponding observation
For a symmetrical distribution, \( Q_1=27 \) and \( Q_3=43 \), the median is______
A set of numbers consists of three \( 4’s \), five \( 5’s \), six \( 6’s \), eight \( 8’s \) and seven \( 10’s \). The mode of this set of numbers is______
Mode , as it has maximum frequencuy.
The mode of the following items is \( 0,1,6,7,2,3,7,6,6,2,6,0,5,6,0 \)______
Since occurs most number of times that is times. Mode
For a continous series mode is ______
For a continous series, Mode
The mode of the distribution is_________
Mode Since, has maximum number of frequencies that is
In a moderately asymmetrical distribution the mode and mean are \( 7 \text{ and } 4 \) respectively. Then, the median is______
The total expenditure incurred by an industry under different heads is best presented as a ________
Pie diagram is the best feature to incur the total expenditure under different heads.
The expenditure of a family for a certain month were as follows:
Food:\( RS.560 \),
Rent:\( RS.420 \),
Clothes:\( RS.180 \),
Education:\( RS.160 \),
Others:\( RS.120 \)
A pie chart representing this data would show the expenditure for clothes by a sector whose angle equals ______
Required angle
In a frequently distribution, the mean and median are \( 21 \) and \( 22 \) respectively, then its mode is________
Mean of \( 100 \) observations is \( 45 \). It was later found that two observations \( 19 \) and \( 31 \) were incorrectly recorded as \( 91 \) and \( 13 \). The correct mean is______
The Pie chart is to be drawn for respecting the following data
The value of central angle for food and clothing would be______
The standard deviation of \( 5 \) scores \( 1,2,3,4,5 \) is______
The varience of the data \( 2,4,6,8,10 \) is_______
Quartile deviation for a frequency distribution is_______
For a quartile deviation
The range of the following set of observations \( 2,3,5,9,8,7,6,5,7 \) is_______