A fund manager wants to know if it is equally likely that the Dow Jones Industrial Average will go up each day of the week. For each day of the week, the fund manager observes the following number of days when the Dow Jones Industrial Average goes up. Day of the Week observed Monday 185 Tuesday 181 Wednesday 205 Thursday 195 Friday 234 For the goodness-of-fit test, what are the degrees of freedom for the chi-squared test statistic? Multiple Choice O O 5 O 6 O 7