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151. If 12 is the mean of 10 observations and 10 is added to each observation, then the new mean is:

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152.

The median of first 5 odd multiples of 5 is:

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153. The mean of prime numbers between 20 and 30 is:

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154. The class marks of frequency distribution are 10, 20, 30, 40,.... The class representing the class mark 30 is:

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155. If the mode of the given data 16, 18, 17, 16, 18, x, 19, 17, 14 is 18, then the value of x will be:

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156. The mean of x₁ x₂ is 6 and mean of x₁ x₂, x₃is 7. The value of x₃ is:

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157. The sum of heights of a number of players is 745 cm and mean height of players is 149. The number of players is:

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158. If the mean of 3, 5, 0, 9 x, 7 and 13 is 7, the value of x is:

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Bar graph

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160.

Median of the given data is:
144, 145, 147, 148, 149, 150, 152, 155, 160

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