If the observation, of 6, 7, x – 2, jc, 17, 20 are written in

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 Multiple Choice QuestionsShort Answer Type

191.

If the mean of the following data is 6, find the value of p.

xi

fi

2

3

4

2

6

3

10

1

p + 5

2

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192. The mean of 5 observations was calculated as 145, but it was later on detected that one observation was misread as 45 in place of 25. Find the correct mean of the observation.
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193. A cricketer has a mean score of 58 runs in nine innings. Find out how many runs are to be scored in the tenth inning to raise his mean score to 61.
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194.

Find the mean, median and mode of the following data:

41, 39, 48, 52, 41

48, 36, 41, 37, 35

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195.

For what value of ‘x’ in the mode of the following data 7?

3, 5, 6, 7, 5, 4, 7, 6, (x + 1), 8,7

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196. If the mean of x, x + 2, x + 4, x + 6, x + 8 is 24, find the value of x.
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197. If the observation, of 6, 7, x – 2, jc, 17, 20 are written in ascending order and their median is 16, find the value of ‘x’. Using the value of x, also find mean of given numbers.


Solution  not provided

Ans.  17,13.66

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198.

Find the mode of the following data:

41, 39, 48, 52, 46,
62, 54, 40, 96, 52,
98, 40, 52, 60 

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199. The mean of the 10 observations 15, 17, 23, 18, 17, 25, 16, 18, 20, 12 is 18. Find the value of p.
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200. If the mean of five observation x, x + 2, x + 4, x + 6, x + 8 is 13, then find the value of x.
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