Instruction 3-8
Given Below Is the Frequency Distribution of the Number

question 73

Short Answer

Instruction 3-8
Given below is the frequency distribution of the number of defective tomatoes in 50 different shipments.
$$\begin{array} { | c | c | } \hline \text { Defective Items } & \text { Frequency } \\\hline 0 \text { but less than } 5 & 35 \\\hline 5 \text { but less than } 10 & 7 \\\hline 10 \text { but less than } 15 & 5 \\\hline 15 \text { but less than } 20 & 2 \\\hline 20 \text { but less than } 25 & 1 \\\hline 25 \text { but less than } 30 & 0 \\\hline\end{array}$$
-Referring to Instruction 3-8,what is the approximate variance?

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Definitions:

Cones

Cones are photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.

Retina

A layer of cells located at the back of the eye, responsible for converting light into neural signals that can be processed by the brain to produce visual images.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.

Rods

Visual sensory receptors found at the back of the retina, responsible for noncolor sensitivity to low levels of light.