Recent questions and answers in Statistics

Recent questions and answers in Statistics

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Yucalm for Dog - What Is It?

asked 1 month ago in Statistics by arm26dryer (120 points)

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asked 1 month ago in Statistics by ray5file (160 points)

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asked 1 month ago in Statistics by ray5file (160 points)

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Calculate the sample standard deviation for the following values of systolic blood pressure: 130, 152, 120, 107, 110, 143.

asked 1 year ago in Statistics by anonymous

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Compute the sample standard error of the mean for the following values of systolic blood pressure: 130, 152, 120, 107, 110, 143.

asked 3 years ago in Statistics by anonymous

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1 answer

The correlation between the age and height of children is found to be about r = 0.7. Suppose we use the age x of a child to predict the height y of the child. We conclude

answered 4 years ago in Statistics by anonymous

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in a class of 19 students, 10 study spanish, 7 study french, and 2 study both french and spanish. Whats the probability of studying spanish but not french?

asked 5 years ago in Statistics by anonymous

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2 answers

In a class of 19 students, 10 study Spanish, 7 study French, and 2 study both French and Spanish. One student is picked at random. Find each probability.

answered 5 years ago in Statistics by anonymous

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1 answer

If the forced vital capacity of 11-year-old white males is normally distributed with a mean of 240cc and σ=400 and n=64, calculate the standard error of the mean?

answered 5 years ago in Statistics by anonymous

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1 answer

The distribution of systolic blood pressures for female diabetics between the ages of 30 and 34 have unknown mean?

answered 5 years ago in Statistics by anonymous

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1 answer

Approximately what percentage of normally distributed data values will fall within 1 standard deviation above or below the mean?

answered 5 years ago in Statistics by anonymous

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1 answer

People with long work hours tend to spend less time with family, and vice versa, so the correlation between “work hours” and “family hours” must be close to 0?

answered 5 years ago in Statistics by anonymous

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A math teacher gave her class two tests. 30% of the class passed both tests and 50% of the class passed the first test. What percent of those who passed the first test also passed the second test?

asked 5 years ago in Statistics by anonymous

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What parameters are used to completely describe a normal distribution? Compare this with the parameters used to describe a uniform distribution

asked 5 years ago in Statistics by anonymous

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From what your know of a Discrete Uniform Probability Distribution, what is the cumulative probability of obtaining values greater than three on a six sided dice

asked 5 years ago in Statistics by anonymous

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On a continuous distribution, like the normal distribution, what is the probability of obtaining any single value

asked 5 years ago in Statistics by anonymous

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help with probability problem: There are 384,906 persons with HIV living in the US. The total population of

asked 5 years ago in Statistics by anonymous

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The body length of the following adult diamondback watersnakes (Nerodia rhombifer) were obtained and separated by...

asked 5 years ago in Statistics by anonymous

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DNA is composed of four nucleotides: A,C,T,and G. What is the probability of obtaining the following sequence...

asked 5 years ago in Statistics by anonymous

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The promoters of a dog show wish to present 15 breeds of dogs to a panel of judges and a paying audience

asked 5 years ago in Statistics by anonymous

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