A) \[\bar{x}+n\] done clear
B) \[\bar{x}+\frac{n}{2}\] done clear
C) \[\bar{x}+\frac{n+1}{2}\] done clear
D) None of these done clear
View Solution play_arrowA) \[\frac{{{2}^{n}}}{n+1}\] done clear
B) \[\frac{{{2}^{n+1}}}{n(n+1)}\] done clear
C) \[\frac{n+1}{2}\] done clear
D) \[\frac{n}{2}\] done clear
View Solution play_arrowA) 44.0 done clear
B) 44.46 done clear
C) 45.00 done clear
D) 45.54 done clear
View Solution play_arrowA) \[M-{{x}_{n}}+{x}'\] done clear
B) \[\frac{nM-{{x}_{n}}+{x}'}{n}\] done clear
C) \[\frac{(n-1)M+{x}'}{n}\] done clear
D) \[\frac{M-{{x}_{n}}+{x}'}{n}\] done clear
View Solution play_arrowquestion_answer5) The following data gives the distribution of height of students
Height (in cm) | 160 | 150 | 152 | 161 | 156 | 154 | 155 |
Number of students | 12 | 8 | 4 | 4 | 3 | 3 | 7 |
A) 154 done clear
B) 155 done clear
C) 160 done clear
D) 161 done clear
View Solution play_arrowquestion_answer6) A pie chart is to be drawn for representing the following data
Items of expenditure | Number of families |
Education | 150 |
Food and clothing | 400 |
House rent | 40 |
Electricity | 250 |
Miscellaneous | 160 |
A) 90? done clear
B) 2.8? done clear
C) 150? done clear
D) 144? done clear
View Solution play_arrowA) 14.98, 39.95 done clear
B) 39.95, 14.98 done clear
C) 39.95, 224.5 done clear
D) None of these done clear
View Solution play_arrowA) \[S\le r\sqrt{\frac{n}{n-1}}\] done clear
B) \[S=r\sqrt{\frac{n}{n-1}}\] done clear
C) \[S\ge r\sqrt{\frac{n}{n-1}}\] done clear
D) None of these done clear
View Solution play_arrowA) \[\frac{\sqrt{2}}{n}\] done clear
B) \[\sqrt{2}\] done clear
C) 2 done clear
D) \[\frac{1}{n}\] done clear
View Solution play_arrowA) \[\left( \frac{a}{c} \right)\,\sigma \] done clear
B) \[\left| \frac{a}{c} \right|\,\sigma \] done clear
C) \[\left( \frac{{{a}^{2}}}{{{c}^{2}}} \right)\,\sigma \] done clear
D) None of these done clear
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