Joseph asks…
How large a sample is needed to estimate the true proportion of children with good diets within 2% with 95%?
A federal report indicated that 27% of children ages 2 to 5 years had a good diet—an increase previous years. How large a sample is needed to estimate the true proportion of children with good diets within 2% with 95% confidence?
weight loss cardiff answers:
Sample size n is (t/b)^2 s^2, where t is critical value for conf. Level (here 1.96), b is margin of error
(here .02), and s^2 is variance in population (here p(1-p)=.27(.73)=.1971).
So n=(1.96/.02)^2 (.1971) = 1892.9, and round up to 1,893
Charles asks…
What are some amazing crash diets that work?
I am getting married in 3 months and been working out but need a stronger jumpstart, I read about crash diets but which actually work? I have no time to loose
weight loss cardiff answers:
There are times when you may need to lose weight fast. There are many crash diets formulated to help a person lose pounds as quickly and as effortlessly as possible. While this is not the best way to achieve a long-term weight loss goal, it can be useful when you need to fit into your wedding gown for the big day, or a bikini for the beach.
When you are on a crash diet, you should exercise as much as possible. An hour a day of physical exercise will help push your weight loss fast, plus it can make you feel energized. Just be careful not to overdo it, and stop if you feel sick, dizzy or faint.
Linda asks…
What are the most interesting diets people are looking information for?
I’m searching for the diets people are interested in but cannot find much information.
weight loss cardiff answers:
You’re just asking to be spammed with this question. Search for fad diets and see how many thousand come up. Atkins, Paleo/raw foods, South Beach, Master Cleanse, Special K/cereal, and 17-Day are ones I’ve seen here recently.
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