A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded. The obtained value of the appropriate statistic is _________.
A) 3.13
B) 3.14
C) 3.58
D) 3.57

Question

A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded.  The obtained value of the appropriate statistic is _________.
A) 3.13 
B) 3.14 
C) 3.58 
D) 3.57

Quizplus · Accepted Answer

The Answer of A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded.  The obtained value of the appropriate statistic is _________.
A) 3.13 
B) 3.14 
C) 3.58 
D) 3.57

A Health Educator Wants to Evaluate the Effect of a Dental