You are given the following data. Do these figures support the hypothesis that intelligent father has intelligent sons?5% Intelligent sons Dull sons Intelligent fathers Dull father 24 12 32 32 value of chi square for 1 degree of freedom is 3.841. State the hypothesis and give conclusion in order to accept or reject the hypothesis.

Q: A researcher is interested in hamster wheel-running activity during the summer versus the winter.…

A: We know, MD-μDsMD~tn-1 Therefore, df=n-1=24

Q: A researcher is interested in hamster wheel-running activity during the summer versus the winter.…

A: In this case, the researcher is interested to know either the hamsters will run less during the…

Q: The sum of the squared differences between the observed values of the dependent variable and the…

A: Answer: correct option is : "e" = SSE

Q: Heights (cm) and weights (kg) are measured for 100 randomly selected adult males, and range from…

A:

Q: As the value of α gets smaller, how does this affect the z-score?

A: Here use basic of z-score calculations

Q: A local veterinarian uses Z-scores to determine if newborn puppies of certain breeds are severely…

A: Answer:- According to the given information,  For shiba inu puppy, Mean, μ = 13.9  Standard…

Q: Health care workers who use latex gloves with glove powder on a daily basis are particularly…

A: Sample size, Sample mean, Sample standard deviation,

Q: Do we need the population to be normal or the sample size n to be large to claim that µX = µ and oX=…

A:

Q: How many levels of the independent variable are there? a. 1 b. с. 3 d. 4 Þart B: This study was done…

A: Option a) is correct. There is only one independent variable. i.e. Types of Resistance training

Q: A study of bone density on 55 random women at a hospital produced the following results. Age 33 37…

A: Age 33 37 45 49 57 Bone Density 345 335 330 325 310

Q: you obtain a test statistic of z = 2.33 Find the p-value accurate to 3 decimal

A: It is given that, the z test statistic is 2.33.

Q: A researcher is interested in hamster wheel-running activity during the summer versus the winter. He…

A: The average difference score is MD = 3.8, the sum of squares is SS = 522.15 and the sample size is n…

Q: Health care workers who use latex gloves with glove powder on a daily basis are particularly…

A: From given data we have : sample size n = 45 sample meanx¯=19.5 sample standard deviation s=12.1

Q: Hoaglin, Mosteller, and Tukey (1983) presented data on blood levels of beta-endorphin as a function…

A: Given, Participants 12 hour before 10 hour before 1 10 6.5 2 6.5 14 3 8 13.5 4 12 18 5…

Q: Heights (cm) and weights (kg) are measured for 100 randomly selected adult males, and range from…

A:

Q: Look at the table that lists SAT scores before and after a sample of five students took a prep class…

A: We have given that  Null and alternative hypothesis  Ho: u=0  Ha: u>0 claim And given data

Q: Do different living arrangements for college students have an impact on GPA?  Using the following…

A: The null and alternative hypothesis is; H0: There is no association between GPA and living…

Q: Statistics involves which of the following?

A: Statistics is studying the collection of data, analyzing data, and interpreting the data. The study…

Q: Susan takes a test and calculates her z-score on the test. She obtained a z-score of 1.22. Assuming…

A: Susan obtained z-score of 1.22 we have to find the percentage of individuals a test score higher…

Q: You sampled 13 people and got their pre-diet weight and post-diet weight. If α=.05α=.05, the test…

A:

Q: A researcher conducted a Pearson's r test to examine the relationship between study hours and exam…

A:

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. CPA Actuary 20 30 70 40 50 60…

A: The boxplot below shows salaries for CPAs and Actuaries in a town.

Q: A psychologist assumes that playing gentle music during an exam will alter the outcomes. The…

A:

Q: Is the number of children that a college student currently has independent of the type of college or…

A: The data shows the type of college or university and number of children.

Q: A researcher is interested in hamster wheel-running activity during the summer versus the winter.…

A: Given that sample size, n is 25. Sample mean difference, MD = 5.7. Sum of squares, SS = 2851.44.

Q: A. Given the observed values below, is there an agreement between the expected and observed ratios?…

A: Given that  A. Given the observed values below, is there an agreement between the expected and…

Q: 2. Do police officers who scored well on an aptitude test make better police officers? Use the…

A: Given Data :   Low Medium High Total Low 12 6 7 25 Moderate 9 11 9 29 High 5 9 10 24…

Q: Suppose John has a torn tendon and is facing surgery to repair it. The surgeon explains the risks to…

A:

Q: he population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan…

A: Given data, Population  Crime rate 9.2 11.9 2.6 9.1 1.3 7 6.6 8.7 0.4 8.1 0.2 8.1…

Q: Test scores overall have a mean of 1017 and s = 207. If a college wants to admit only the top 30% of…

A: Test scores overall have a mean of 1017 and s = 207. The minimum required score is calculated as…

Q: A researcher is interested in hamster wheel-running activity during the summer versus the winter.…

A: We have to find standard error.

Q: University officials hope that changes they have made have improved the retention rate. In 2010, a…

A: The Given answer is wrong, in which pvalue wrongly entered So, I correct the pvalue and slove the…

Q: Number of roaches in each chamber over time(warm vs cold) Trials Warm cold 1 1 9 2 2.3 7.7 2.8 7.2

A: Given :

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.