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Q1) Where people turn to for news is dissimilar for different age groups. A study pointed to where different age groups mainly get their news:
MEDIA
Under 36
36- 50
50 above
Local TV
107
119
133
National TV
73
102
127
Radio
75
97
109
Local Newspaper
52
79
Internet
95
83
76
At 0.05 level of significance, is there evidence of significant relationship between age group and where people mainly get their news? If so, describe the relationship.
We want to estimate the population mean within 5, with a 99% confidence level. The population std dev is estimated to be 15. How large is the required sample size?
Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D
A recent census of a small town in Michigan showed that 60% of the residents are male, 20% have college degrees, and 15% are both male and college graduates.
Describe the sampling distribution model of this mean.
All but one of the following statements contain a blunder. Which one does not contain a blunder
A random sample of students is selected, and each one is asked to try first brand A and then brand B, or vice versa with the order determined at random.
Compute β-error of test in part (a) if true difference in mean burning rate is 2.5 centimeters per second.
Formulate the null and alternative hypotheses for this application.
he population consists of all 15 year olds living in the attendance district of a local high school. You plan to obtain a simple random sample of 200 such residents by using the roster of the high school as the sampling frame.
Be sure the appropriate assumptions and conditions are satisfied before you proceed.
Find the critical F value for the Following,
What is the probability that the project will be completed in 17 months or less?
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