Psychology Business 104 Natural Science Education 70 85 70

How many samples or treatments are here?   490 undergraduate students at a state university in the southwestern region of the United States were surveyed. Each student in the sample was classified according to class standing (freshman, sophomore, junior, or senior) and body are category (body piercings only, tattoos only, both tattoos and body piercings, no body art). Use the data in the accompanying table to determine if there is an association between class standing and body art category. Assume that it is reasonable to regard the sample as representative of the students at this university. Use α = 0.01.                                                             Freshman  Sophmore   Junior    Senior Body Piercings                                          61              7              14          86 Only Tattoos                                             43              11             10         64 Only Mildly Piercings and Tattoos            20                9              7…

The ages of employees at two local restaurants are listed in order. Restaurant A - 21, 21, 23, 25, 26, 27, 30, 34 Restaurant B - 23, 25, 25, 25, 26, 27, 27, 30 Determine the difference between the mode in these two data sets. Use the keypad to input your answer. The difference in mode between the two data sets is

Why Mode value is one of the given set of data values?