Part 2 - T-test for matched samplesA market research firm used a sample of individuals to rate the purchase potential of a particular product before and after the individuals saw a new television commercial about the product. The purchase potential ratings were based on a 0 - 10 scale, with higher values indicating a higher purchase potential. The null hypothesis stated that the mean rating "after" would be less than or equal to the mean rating "before." Rejection of this hypothesis would show that the commercial improved the mean purchase potential rating. Use ? = .05 and the data in the tab labeled Part 2 to test the hypothesis and comment on the value of the commercial.Provide excel work and six steps1. State the null and alternative hypothesis2. State levels of significance3. State critical value4. Calcualte test statistic5. Reject or not reject6. Conclusion

After Before 6 5 6 4 4 3 w U 9 7 6