An eight sided die is rolled repeatedly. We get 230 ones, 260 twos, 255 threes, 290 fours, 220 fives, 245 sixes, 268 sevens, and 232 eights. We wish to test whether it's plausible that the die is fair. Which type of test must we run? A. z-test test for one proportion B. regression     C. chi-square test for homogeneity D. goodness of fit chi-square test

Q: The Inter Quartile Range is the difference between the third and first quartiles. It describes the…

A: WE have to find given probability.

Q: Hallux abducto valgus (HAV) is a deformation of the big toe that is not common in youth and often…

A: (a) Steps for Stem-and-leaf diagram: In stem plot each of the observation is separated into two…

Q: A teacher gives a​ 20-point quiz to 10 students. The scores are listed below. What percentile…

A: It is an important part of statistics. It is widely used.

Q: Task-3. How variance and standard deviation is calculated in the grouped data. Write formulas and…

A: Data that is presented in the form of class intervals, such as 50-60, 60-70, and so on, is referred…

Q: Better Business Bureau Complaints. In 2016 the Better Business Bureau settled 80% of complaints they…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Determine the approximate population variance. # of People Helped 247 211 200 199 180 230 215 175…

A: Given Data :

Q: Find sd.The differences between two sets of dependent data are​ 0.4, 0.24,​ 0.22, 0.26, 0.34. Round…

A: The formula for sample standard deviation is,

Q: scores

A:

Q: A student's score on an actuarial exam is in the 78th percentile. What can you conclude about the…

A: From the provided information, A student’s score on an actuarial exam is in the 78th percentile.

Q: Use a dot plot to display the data, which represent the systolic blood pressures (in millimeters of…

A: The systolic blood pressure data is, 120 135 140 145 130 150 120 170 145 125 135 110 160 180…

Q: Please answer Question E Below is a sample of 64 responses of a survey of Ward 3 residents in…

A: Given,n=64p=0.69mean(μ)=0.69standard deviation(σ)=p(1-p)nσ=0.69(1-0.69)64σ=0.0578

Q: Pain medications sometimes come with side effects. One side effect is dizziness. A researcher wanted…

A: Here their are 5 pain medication are used and measure the count of people with and without…

Q: Please check picture and answer with detail explaination.

A: A random sample is used to provide information about the population and to given a valid inference…

Q: Male and female athletes exercised for an hour on a treadmill. During this time, half of each sex…

A: To use: What statistical test should be used to see how sex and type of beverage affect lactic acid…

Q: The numerical summary that is used for categorical data is a proportion. Group of answer choices…

A: It is an important part of statistics.  It has got wide applications in all forms of statistical…

Q: Hypothesis Test of Proportions On April 15th, 1912, the R.M.S. Titanic sank into the North Atlantic…

A: Given, For first class : n1 = 325 x1 = the passengers who survived p1^ = sample proportion for the…

Q: 4. (CLO 3) Find a correlation between height and shoe size. a. Create a scatterplot of the data.…

A: 4. a. The scatter plot is obtained using EXCEL. The software procedure is given below: Enter the…

Q: determine whether the samples are independent or dependant. To test the effectiveness of a drug,…

A: The objective of the question is to determine whether the samples in the given scenario are…

Q: the average score for an entire population is an example of

A: Solution: Parameter: Parameters is fixed value  obtained from a all population or  whole population.…

Q: research company surveyed 1024 people who routinely fly for business travel purposes and found that…

A:

Q: Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship…

A: given Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a…

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, Raymond wants to estimate the percentage of parents that use…

Q: (b) Use the table from part (a) to find u- (the mean of the sampling distribution of the sample…

A: Given information: S.No Colour Winning 1 Red 5 2 Green 6 3 Blue 6

Q: a.  t test for population mean or z test for population proportion  b. μ or p  H0: =, , or ≠ H1:…

A: Given, On average American have lived in 2 places by the time they are 18 years old. The 67 randomly…

Q: Given the 1st and 3rd quartiles of a data are 24 and 48, respectively, what value would be…

A: