35.    The mean annual per capita cost is lower in community…

35.    The mean annual per capita cost is lower in community water fluoridation systems for larger populations than it is for smaller populations. The optimal level for water fluoridation is 0.7 ml F per liter of water regardless of climatic conditions.a.    Both statements are trueb.    Both statements are falsec.    1st statement is true; 2nd statement is falsed.    1st statement is false; 2nd statement is true

75.    A statistical analysis yields a p-value of 0.03. This…

75.    A statistical analysis yields a p-value of 0.03. This means that:a.    The results are statistically significantb.    There is a less than 3% chance that the significance of the results occurred by pure coincidencec.    The Null hypothesis must be rejectedd.    The Alternate hypothesis must be acceptede.    All of the above 

59.    In a normal, bell-shaped distribution, which of the f…

59.    In a normal, bell-shaped distribution, which of the following is true:a.    More scores are in the lower rangeb.    More scores are in the higher range  c.    The mean, median and mode are equald.    There will be a skewed distribution to the left or right

91.    During the implementation phase of the program, you p…

91.    During the implementation phase of the program, you plan to measure the children’s performance skills in oral hygiene. Which method would be best to complete this?a.    A written quizb.    A demonstration by the childrenc.    Interviewing the children to see if they can explain what they are doingd.    A survey of the children’s attitudes about oral health