1-a. no interpretation; 1-b. Incorrect histogram, you can make it by using 'histogram' in the 'data analysis' tab. Your chart is not about frequency. Also, no interpretation 1-c. no interpretation 1-d. no interpretation 1-e. missing 1-f. missing 2-b. no interpretation 3-a. please enter hypothesis (null and alternative); since the sample size is more than 50, you can use Z-test, rather than T-test. Make a conclusion and interpretation as well.

here are the instructions.

Link to Excel, let me know to give you access

https://docs.google.com/spreadsheets/d/18EhGAv_f7LLh1CIu7WCS83f2fH95-Iy8U_e-ibwwwls/edit?usp=sharing