Question: Is the solution 6 or 12 or something else? Trying to find Degrees of freedom with Chi Squared Each high school female in a random

Is the solution 6 or 12 or something else? Trying to find Degrees of freedom with Chi Squared

Each high school female in a random sample of high school females indicated their favorite social media outlet (Pinterest, Instagram, or Facebook). Each student was only allowed to select one. The table below gives the results of the survey. Class Instagram Pinterest Facebook Total Status Freshman 25 15 43 83 Sophomore 30 47 21 98 Junior 14 24 46 84 Senior 27 35 50 112 Total 96 121 160 377 How many degrees of freedom should the chi-square test have? 0 6 0 3 O 376 O 12

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