Ogive of Less Than Type

Q.

A string, fixed at both ends, vibrates in a resonant mode with a separation of $2.0cm$ between the consecutive nodes. For the next higher resonant frequency, this separation is reduced to $1.6cm$. Find the length of the string.

Q.

Please explain the meaning of percentage with examples and how to solve them

Q.

The following chart shows the sales of cars in thousands. [3 MARKS]

a) What is the number of cars sold in 2002-2003?

b) What is the total sale of Maruti cars?

c) What is the difference in the sales of Maruti & GM?

Q.

Draw a ‘more than ogive curve’ for The Following Data:

\begin{tabular}{|l|l|} \hline CLASS & FREQUENCY \\ \hline \hline \( 0-10 \) & 5 \\ \( 10-20 \) & 9 \\ \( 20-30 \) & 10 \\ \( 30-40 \) & 12 \\ \( 40-50 \) & 8 \\ \( 50-60 \) & 7 \\ \( 60-70 \) & 5 \\ \( 70-80 \) & 4 \\ \hline \end{tabular}

Q.

The following table shows data during a 1hr exam for a student.

$$\begin{array}{cc}Timeduringexam\left(mins\right)& Totalnumberofquestionssolvedintheexam\\ 0-10& 2\\ 10-20& 5\\ 20-30& 10\\ 30-40& 15\\ 40-50& 17\\ 50-60& 25\end{array}$$

Which of the following graphs comes closest to depicting the correct value of the median?

1. 

2. 

3. 

4. 

Q.

From the ogive curve, answer the following question.

How many students secured marks between 50% and 70% ?

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Q.

The ogive curve for less than type is a plot of

1. frequency vs upper limit

2. cumulative frequency vs lower limit

3. upper limit vs cumulative frequency

4. upper limit vs frequency