Huron Lakes Candies $($HLC$)$ has developed a new candy bar called Java Cup that is a milk chocolate cup with a coffee$-$cream center. In order to assess the market potential of Java Cup, HLC has developed a taste test and follow$-$up survey. Respondents were asked to taste Java Cup and then rate Java Cup's taste, texture, creaminess of filling, sweetness, and depth of the chocolate flavor of the cup on a $100-$point scale. The taste test and survey were administered to $217$ randomly selected adult consumers.

Data collected from each respondent are provided below:

a$.$ Are there any missing values in HLC$\text{'}$S survey data?

o If so$,$ identify the respondents for which data are missing and indicate which values are missing for each of these respondents.