The height of 5 students (in cm) are as below.
{140, 145, 130, 135, 150}
Their mean value is equal to

120 cm

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130 cm

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140 cm

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150 cm

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Solution

The correct option is C 140 cm
Formula:
Mean = $\frac{S u m o f a l l o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

= $\frac{140 + 145 + 130 + 135 + 150}{5}$
= $\frac{700}{5}$
= 140 cm

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Similar questions

Q. The height of 5 students (in cm) are as below.
{140, 145, 130, 135, 150}
Their mean value is .

Q. The height of 10 students, measured in cm are as follows:
143, 132, x, 139, 128, 135, 151, 146, 141, 149.
If mean of the given information is 141.4 cm, then find the value of x.

Q. The heights of

10

students were measured in cm and the results are as follows :

147, 139, 135, 136, 149, 166, 152, 163, 155, 144

(i) What is the range of the data?
(ii) What is the mean height of the students?
(iii) How many students are there whose height is more than the mean height?

Question 90(i)

Look at the histogram below and answer the questions that follow. ?

How many students have height more than or equal to 135 cm, but less than 150 cm ?

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The height of 5 students (in cm) are as below. {140, 145, 130, 135, 150} Their mean value is equal to

The correct option is C 140 cmFormula: Mean = Sum of all observationsTotal number of observations = 140+145+130+135+1505 = 7005 = 140 cm

The height of 5 students (in cm) are as below.
{140, 145, 130, 135, 150}
Their mean value is equal to

The correct option is C 140 cm
Formula:
Mean = $\frac{S u m o f a l l o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

= $\frac{140 + 145 + 130 + 135 + 150}{5}$
= $\frac{700}{5}$
= 140 cm