A nurse researcher finds that she has 6 missing values for the body weight of pa

Question

A nurse researcher finds that she has 6 missing values for the body weight of participants. Three missing values are for men (mean = 185 pounds) and three are for women (mean = 136 pounds). The researcher replaces the missing values codes with 185 for men and 136 for women. What method did the researcher use to address missing values?

Case mean substitution

Subgroup mean substitution

Pairwise deletion

Mean substitution

Case mean substitution

Subgroup mean substitution

Pairwise deletion

Mean substitution

Explanation / Answer

D) Mean substitution.

This is done avoid complete loss of data due to data which are missing. So in order to avoid this the mean of the variable is substituted in place of the missing data.

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