Testing: H0:μ=45.8 H1:μ<45.8 Your sample consists of 35 subjects, with a mean of 45 and a standard deviation of 4.69. Calculate the test statistic, rounded to 2 decimal places.   t=

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Please tapy answer  The director of admission at a large university advises parents of incoming students about the cost of textbooks during a typical semester. He selected a sample of 100 students and recorded their textbook expenses for the semester. He then computed a sample mean cost of 3,154 pesos with a standard deviation of 430 pesos. Is there an evidence that the population mean is above 3,000 pesos?

Interpret the Z score for a student who scored an 91 on an exam that had a mean of 86 and a standard deviation of 5. One mean above the standard deviation One standard deviation above the mean One standard deviation below the mean One mean below the standard deviation

find P-Value

I Professor Brown administered an achievement test, which as he remembers from years of experience, yielded a population mean score of 85. If his class of 25 students obtained a mean score of 89 with standard deviation score of 14, can the professor claim that his class is a superior class? Assume that the mean score is approximately normally distributed. Use a = 0.01

H0: μ ≤ 16.09 vs. HA: μ > 16.09What is the test statistic for sample of size 25, mean 13.97,and standard deviation 1.48?

Testing:H0:U=9.27H1:U>9.27Your sample consists of 23 subjects, with a mean of 11.6 and standard deviation of 4.86.Calculate the test statistic, rounded to 2 decimal places. t=

Cereals sodium values have a mean of 167 and a standard deviation of 77.3. Find the z-score for the cereal that has a sodium value of 0. How would you interpret this z-score?

Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the height of a man with a z-score of 3.2 (to 2 decimal places) Question Help: Submit Question Video