In a double-blind study, time patients with borderline high blood pressure were given four different treatments (one of which was a placebo) for three months at a time. in random order. Their blood pressure was recorded during each treatment phase and is shown below.

Patient	Treatment A	Treatment B	Treatment C	Treatment D
1	115	116	118	114
2	107	109	112	105
3	121	119	124	118
4	112	109	111	115
5	125	123	124	126

a) Could a t-test be used to analyze this data?

i. Could a one-way ANOVA be used to analyze this data?

ii.Could a twoway ANOVA be used to analyze this data?

b) Perform a two-way ANOVA and present your findings in an appropriate table.

Ho: The blood pressure readings for each patient does not depend on the treatment used

Ha: The blood pressure readings during at least one treatment differ from other treatments

Fill the tables below and round your answers for SS to 2 decimal places, for MS- to 3 decimal places, for F and P- to 6 decimal places

Source	df	SS	MS	F	P-value
Columns
Rows
Error				blank	blank
Total			blank	blank	blank