Please help me figure out the T-Statistic

Q: How do I calculate to get this std dev answer?

A: Given Information: Proportion p=0.40 Sample size n=50 Based on the concept of Central limit theorem,…

Q: The blue catfish (Ictalurus Furcatus) is the largest species of North Amercian catfish. The current…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: The heights of a group of men averaged 69 inches and followed the normal curve. The 91st percentile…

A: Solution: Let X be the height of group of men. μ= 69 inches  Average height of men.  The 91st…

Q: The blue catfish (Ictalurus Furcatus) is the largest species of North American catfish. The current…

A: According to Bartley expert guidelines we can strictly answer only first three subparts. You can…

Q: Explain why the minimum and maximum observations are added to the three quartiles to describe better…

A: Quartile: Quartiles are the values which divides the data into four equal parts. First quartile:…

Q: What length of nails is considered to be at the 58th percentile of all nails?

A:

Q: f) Do you reject the null hypothesis? We reject the null hypothesis, since the p-value is less than…

A: As per Bartleby guideline expert have to answer first three subparts only dear student please upload…

Q: What is statistics and why do you need to use statistics in your research? How important are they?

A: Statistics: Statistics is the branch of mathematics that deals with the collection of data,…

Q: The blue catfish (Ictalurus Furcatus) is the largest species of North American catfish. The current…

A:

Q: Please explain how you got the 9.36 z-score test statistic?

A: Z for difference of proportion is given by,  Z= p1-p2/(S.E.)  SE is standard error which is…

Q: body mass index (BMI) of a person is the person's weight divided by the square of his or her height.…

A: Here , we want to test the claim that the mean BMI of US adults in the current year is greater than…

Q: At SKYCTC, the average class size is 22. A recent survey of five math classes showed the average…

A: Parameter:Any statistical measure based on all units in the population is called Parameter.Here, the…

Q: For this question, use the file titled Practice_data_2.csv in D2L. The file comprises of the age,…

A: Loading the data in R:

Q: Can anyone please send me the normal standard table

A:

Q: Calculate the Percentile Rank for a student who becomes fourth (4th) in terms of the GPA categorized…

A: The formula for percentile rank of score is, Percentile rank of score=Number of values below…

Q: Drowning in bathtubs is a major cause of death in children less than 5 years old. A random sample of…

A: We Have to find Estimate the percent of all parents of young children who use baby bathtubs.

Q: doctor is studying the effects that the amount of junk food has on blood pressure.  As each patient…

A: Here  Observational study means Simply data is collected without interfering the objects..m While In…

Q: one percent of grades are greater than what z-score?

A:

Q: Describe the formula used to calculate a z-score?

A: The formula used to calculate z-score is

Q: The blue catfish (Ictalurus Furcatus) is the largest species of North Amercian catfish. The current…

A: claim : mean weight of the fish in the reservoir is greater than 40 pounds.  in symbol  claim : μ…

Q: Calculate your test statistic. Write the result below, and be sure to round your final answer to two…

A: Given that  Sample size n=50; Sample  mean ¯x=40.72  Sample standard   deviation s=5.0

Q: please show the work for the problems with an explanation versus just shwoing calculated data.

A: To check the relationship b/w age and miles on the car.

Q: Describe about the positively skewed shape of histogram.

A:

Q: If you are going to test this claim, what would be your null and alternative hypotheses? Но: (? HA:…

A: The claim is that the mean weight of the fish in this reservoir is greater than 40 pounds.