Exercise 7.45 introduced a 2010 study about users of social networking sites such as Facebook. Table 7.33 shows the self-reported frequency of status updates on Facebook by gender. Are frequency of status updates and gender related? Show all details of the test.

Table 7.33

Exercise 7.45

The Pew Research Center conducted a survey of randomly sampled American adults in 2008 and in 2010, asking them about their use of social networking sites such as Facebook. Table 7.31 shows age groups of social networking site users in 2008 and in 2010. Did the age distribution change significantly in the two-year time span? Show all details of the test.

Table 7.31

Transcribed Image Text:

ĮStatus/Gender→ Every day 3–5 days/week 1-2 days/week Every few weeks Less often Total Male 42 46 Female 88 59 Total 130 105 79 70 149 77 151 79 156 186 337 877 491 386 2008 Total ȚAge/Year→ 2010 152 18–22 23-35 36–49 138 290 197 303 500 354 108 246 50+ Total 52 495 246 298 947 1442