A medical study was conducted to determine if taking calcium is effective in reducing blood pressure. The results are shown in the table below. Use this information to answer questions 10–16.
STATA
10. How many people does the data represent? (1 point)
11. Find the marginal frequency distributions regarding effectiveness. (2 points)
12. Find the marginal frequency distributions regarding calcium supplement. (2 points)
13. According to the data, what percent of people taking a calcium supplement found it effective in reducing blood pressure? (1 point)
14. According to the data, what percent of people taking a calcium supplement found it not effective in reducing blood pressure? (1 point)
4 answers
No table given. More data needed.
500 mg calcium supplement daily 1,200 mg calicum supplement daily Total
effective 82 167 249
not effective 137 59 196
Total 219 226 445
effective 82 167 249
not effective 137 59 196
Total 219 226 445
500 mg calcium supplement daily 1,200 mg calicum supplement daily Total
effective 82 167 249
not effective 137 59 196
Total 219 226 445
effective 82 167 249
not effective 137 59 196
Total 219 226 445
00mg calcium 1200mg calcium
effective 82 167
not effective 137 59
find the marginal frequency distributions regarding effectiveness.
effective 82 167
not effective 137 59
find the marginal frequency distributions regarding effectiveness.
1 answer