One hundred people were surveyed, and one question pertained to their educational background. The results of this question and their genders are given in the following table. College degree (D) No college degree (D') Total 0.333 0.996 0.184 0.668 Female (F) Male (F') Total 33 50 35 68 17 15 32 Calculate the test statistic for a Chi-Square test of dependence. 50 100

Q: I need help to find the test statistic

A: Step…

Q: 14 A scientist recorded the following measurements. 4, 5, 3, 6, 3, 8, 4, 9, 6 What are the first…

A: Given that the scientist recorded the following measurement      4,5,3,6,3,8,4,9,6 Here we have to…

Q: How many data points are presented in the histogram? 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 11

A: The number of data points that are presented in the Histogram is determined below as follows:   From…

Q: What Happens in Vegas … Listed below are prices in dollars for one night at different hotels located…

A:

Q: You gather data from all Stonehill students, by asking them to complete a scale that measures levels…

A: You gather data from all Stonehill students, by asking them to complete a scale that measures levels…

Q: Assume you are a psychologist studying the relationship between chocolate consumption and happiness.…

A: For the given data Is this a one-tailed or two-tailed test

Q: Scores in the first and fourth (final) rounds for a sample of  golfers who competed in PGA…

A: a.t-value-1.096Degrees of freedom19p-value=0.2868 The p-value estimate is greater than 0.20…

Q: The final scores of games of a certain sport were compared against the final point spreads…

A: From the provided information, Sample size (n) = 225 Sample mean (x̅) = -1.1 Population standard…

Q: How is my work? Should anything be changed?  A researcher wanted to examine the effect of a new…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Instruction : How…

Q: Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:…

A: From the provided information, Sample size (n) = 500 and x = 390 Level of significance (α) = 0.05

Q: What kind of test is used to solve the test statistic value for the population proportion?

A: We want to tell you what kind of statistic and test are used for population proportion.

Q: Develop your idea about quartile. The following data refers to the monthly starting salaries in Taka…

A: The first quartile (or lower quartile or 25th percentile) is the median of the bottom half of the…

Q: How statistical tests are used?

A:

Q: Why are t statistics more variable than z -scores?

A: t-statistics uses sample variance instead of population variance.   t statistics has both s and x̅.

Q: The third quartile of the data: 22,17,10,35,40,18,9 is equal to

A: we know that  It is the median of uppar values of data. Uppar values mean the data values which are…

Q: The first quartile of the data values 45, 48, 31, 48, 50, 30  equals ?

A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50

Q: Find the test statistic for this hypothesis test. | (Round to two decimal places as needed.)

A:

Q: A manufacturer claims that the average tensile strength of thread A exceeds the average tensile…

A: For sample 1:-The sample mean is 82.9The sample standard deviation is 7.12The sample size is 48For…

Q: indicator for gender (=1 if male, =0 if female). Your data set has 200 observations. donation = 1.57…

A: Given that there are 200 observations. Gender=1  if male0  if female…

Q: A sample of blood pressure measurements is taken from a data set and those values​ (mm Hg) are…

A: The values of systolic and diastolic measurements are given. Sample size = n = 10. Mean is the ratio…

Q: How are the smoking habits of students related to their parents’ smoking habits? Here are the data…

A: H0 : There is no association between parent smoking and student smoking H1 : There is an association…

Q: analyze her data

A: ANOVA:  This is a Statistical technique to check the variation in the data. We are checking the…

Q: Is the height (in inches) of students in this class a quantitative or qualitative variable

A: Qualitative variable : It contains name or levels Example : eye colour, method of study...…

Q: You are conducting a study to determine if there is a significant difference between average adult…

A: It is given that n1 is 45, n2 is 60.

Q: The sample data here is the cholesterol levels for 10 men diagnosed with high cholesterol. The first…

A: Result Option 3 is correct. The mean cholesterol level of males who take the medicine is lower than…

Q: Determine the test score of John in Statistics if he has a z-score of 1.89. (SD = 4, mean = 82)

A:

Q: Please also explain why you determined whether or not the results are statistically significant.…

A: From the given information we conduct Hypothesis test.

Q: a. Use a = 0.10 to test for a statistically significantly difference between the population means…

A: a. The test statistic and p-value value is obtained by using EXCEL. The software procedure is given…

Q: A special bumper was installed on selected vehicles in a large fleet. The dollar cost of body…

A: The random variable repair incident follows normal distribution. There are two independent samples…

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A:

Q: A special bumper was installed on selected vehicles in a large fleet. The dollar cost of body…

A: Test group : vehicles with the special bumper (X1) x¯1=$1245s1=$721n1=17 Control group: other…

Q: What is the difference between t-statistic and z-score

A:

Q: A clinical psychologist took a sample of four people from the population of people with anxiety…

A:

Q: Researchers conducted a study to determine whether magnets are effective in treating back pain. Pain…

A: The random variable is reduction in pain. There are two independent samples which are Magnet…

Q: Papa's Italian Restaurant has collected data about customer sauce orders. It calculated that…

A: Papa's Italian Restaurant has collected data about customer sauce orders as follows:…