Question

Tabulate the following marks in a grouped frequency distribution.
74 49 103 95 90 118 52 88 101 96 72
56 64 110 97 59 62 96 82 65 85 105
116 91 83 99 52 76 84 89 11 104 96
84 62 58 66 100 80 54 75 55 99 104
78 66 96 83 57 60 51 114 120 121 92
88 64 63 95 78
​

Answer 1

Answer:

There are 60 Observations,

Step-by-step explanation:

Step 1: First we arrange the data in ascending order so it would be easy to count frequencies for every class Interval.

From the given data.

$\begin{aligned}& \text { Maximum value }=121 \\& \text { Minimum value }=49\end{aligned}$

Step 2: The frequency in physics is the quantity of waves passing a fixed location in a unit of time. It also indicates how many cycles or vibrations a body in periodic motion experiences in a given unit of time.

Step 3: The quantity of times a specific data value occurs is known as its frequency. We use f to express a data value's frequency. For instance, the grade A is considered to have a frequency of five if five students received an A in science.

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