Please help

The data table below contains the amounts that a sample of nine customers spent for lunch (in dollars) at a fast-food restaurant. Complete parts (a) through (d). Click here to view page 1 of the table of critical values of Click here to view page 2 of the table of critical values of t. 4.17 5:08 5.87 6.38 7.49 7.67 8.42 8.45 9.87 a. At the 0.10 level of significance, is there evidence that the mean amount spent for lunch is different from $6.50? State the null and alternative hypotheses. Ho: H H : H (Type integers or decimals. Do not include the $ symbol in your answer.)