Question: How often do Facebook users post? A study by the Pew Research Center revealed the following results: At the 0.01 level of significance, is there

How often do Facebook users post? A study by the Pew Research Center revealed the following results:

AGE GROUP FREQUENCY 16-17 18–29 30–49 50-64 65+ Total 322 353 Several times 36 147 64 922 a day About once 4 69 135

At the 0.01 level of significance, is there evidence of a significant relationship between frequency of posting on Facebook and age?

AGE GROUP FREQUENCY 16-17 1829 3049 50-64 65+ Total 322 353 Several times 36 147 64 922 a day About once 4 69 135 100 48 356 a day A few times 55 90 74 27 266 a week Every few 11 8. 25 55 weeks Less often 4 14 21 25 11 75 Total 68 471 607 371 157 1,674 20 4)

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