What type of t test will you conduct? How do you know it will be the correct one?State the null and alternative hypothesis.Calculate the t-statistic. Show all of your work.Based on your t-test, are you able to conclude that being in a positive mood produces a different attitude towards unhealthy food? Explain your answer.

In a study of the effects of mood on evaluation of unhealthy food, 50 subjects were randomly assigned to read either a happy story (to induce a positive mood) or a control (no story, neutral mood) group. Subjects were then asked to evaluate their attitude toward a certain unhealthy food on a nine-point scale, with higher numbers indicating a more positive attitude toward the food. The following table summarizes data on the attitude rating. X (mean eval Group of unhealthy food) Positive 1 4.3 2.05 -- Neutral PG 5.5 1.74