Chapter 6, Problem 6.8CYS

To determine

To find: The number of individuals is described by the two way table.

Answer to Problem 6.8CYS

The correct answer is option (b).

Explanation of Solution

Given info:

The two way table shows the responses by permissive school with regards to cell phone.

Frequency	Forbid	Allow in school but not in class	Allow in class
New	25	19	4
Less often	14	31	6
At least several times per week	14	23	8
Every day	97	314	57

Calculations:

Reason for correct answer:

The total number of individuals described by the two way table is,

$\begin{array}{c}\left(\text{Total no}\text{.of individuals}\right)\text{ =}25+19+4+14+31+6+14+23+8+97+314+57\\ =612\end{array}$

Reason for incorrect answer:

Option (a): 468 is wrong because the calculated total number of individuals is described by the two ways table is, 612.

Option (c): Need more information is wrong because the calculated total number of individuals is described by the two ways table is, 612.

Conclusion:

Hence, the total number of individuals is described by the two ways table is, 612.