Question

No MLC help] The Center for Disease Control reported in 2011 that 41%ofall mothers ofthree mont .old infants in the United States were exclusively breastfeeding. In Montana, a random sample of 75 mothers surveyed resulted in 36 who stated they exclusively breast fed their infant at three months old. Do these data 6 provide evidence the Montana rate of exclusive breastfeeding at 3 months old is different than the national average n 2011? a [No MLC help] Identify the variable of interest. Is this variable quantitative or categorical? b. [No MILC help] [2 pts] Match each component of this study to its appropriate statistical term. A Population B. Parameter C. Sample D. Statistic E. Sample size The proportion of all Montana mothers who breast feed exclusively at 3 months All Montana mothers The proportion of women in our sample that breast feed exclusively at 3 months The 75 Montana mothers surveyed

Answer 1

a. Identify the variable of interest. Is this variable quantitative or categorical?
Whether a mother who exclusively breastfed their infant at three months old.
This variable categorical (Yes or No)

b. Match each component of this study to its appropriate statistical term

Parameter- The proportion of all Montana mothers who breastfeed exclusively at 3 months
Population - All Montana mothers
Statistic - The proportion of women in our sample that breastfeed exclusively at 3 months
Sample size - the 75 Montana mothers surveyed