The following table is a data of 25 samples from a residential area:

Answer the following question using the given table and data:

a. What is the measurement scale of each variable in the data.

b. Calculate the mean of the age of the population.

c. Calculate the median and income of the population.

d. Make a graph to present the latest Educational Level data

Marriage Status Educational Age Income Gender Level 24 14.5 no female S2 17 8.377 no male S2 29 no female S1 26 8.5 female SI no 22 6 female si no 24 4 no male SMA 21 yes female si 21 male si no 24 5 yes female s1 20 no female S2 25 5 no female SMA si si 19 6 no female 22 8.5 no female 73 3.5 yes male SMA 71 8.5 yes male S2 70 male si no 74 4 no male SMA 70 11.5 yes male S2 84 male si no 84 5.5 male s1 no 81 11.5 yes male S3 79 yes male si 66 4.5 no female si 95 17.5 female S3 no 85 7.25 no female S2 669