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A survey on the daily usage on mobile phone of different genders in NL University said that male students spent an average of 4.5 hrs on mobile phone per day while female students spent an average of 4.1 hrs on mobile phone per day. The difference is statistically significant at the 0.0001 level. Interpret this result and comment on the practical significance in this case.
An opinion poll of an election of members of the Kwai Tsing District Council of HKSAR indicated that one of the candidates, Mr Lam has 56% support of the votes with a 5% margin of error and a 95% level of confidence. Interpret this and predict the outcome of the election
In a game of coin, you have tossed a coin 100 times and you found that you have Heads for 20 times. What can you conclude from the result? Explain.
What are impacts that flexible work schedules can have on a employee's productivity?
Mounting-hole distances. Figure 27.10 reproduces a data sheet from the floor of a factory that makes electrical meters.8 The sheet shows measurements on the distance between two mounting holes for 18 samples of size 5.
question a researcher desires to estimate the difference in means of two populations. to accomplish this she takes a
Suppose two cards are drawn at random from the deck with replacement. What is the probability that the second card is a heart, given that the first card is a heart?
BUGEN1502 Business Statistics Assignment help and solution, Federation University, Assessment help, Assignment: Confidence Interval and Hypothesis testing
A company wants to determine if employees have any preferences among 5 different health plans. A sample of 200 employees provided the data below.
Draw a graph for the standard normal distribution. Label the horizontal axis at values of -3, -2, -1, 0, 1, 2, and 3.
Explain in simple terms the meaning of the correlation coefficient between Rain and Yield in Figure 2. What are the strengths and weaknesses of the model
The poll actually asked several questions. If we wanted to report an error of estimation that would be valid for all of the questions on the poll, what value should we use?
The figure below shows the graphs of the probability density functions for the random variable X, the random variable x‾ for n = 5, and the random variable x‾ for n = 15.- Identify each probability density function.
a country is considering raising the speed limit on a road because they claim that the mean speed of vehicles is
Think about an organization's involvement in the global economy. Does the organization have expatriates?
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