iv. What is the lowest score v. What is the highest score? vi. List the first 5 class intervals for the stem-and-leaf

Q: In a poll of 513 human resource professionals, 45.8% said that body piercings and tattoos were big…

A: sample size(n)=513sample proportion()=45.8%=0.458

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: From the provided information, the following are interpreted:The no. of cases of "false positive" is…

Q: F(6,30) = 2.81, p < .05. For the results in APA format above, how many groups were tested

A: It is given that Numerator Df = 6 Denominator Df = 30 Test statistic = 2.81 Let k be the number of…

Q: school psychologist wanted to know if the class size changed from small (n=10), medium (n=25) to…

A: The Chi-Square test of independence is known as a method that is used to define whether there is a…

Q: Scores smallest place value are hundredths, - The range is 72, - It has been decided to use 7…

A: Given Range=72 number of interval=7

Q: A school psychologist wanted to know if the class size changed from small (n=10), medium (n=25) to…

A: The Chi-Square test of independence is a method that is used to define whether there is a…

Q: 5. How would you interpret ran= .89, p<.05?

A: We are given that  Correlation coefficient r=0.89 Interpretation  There is strong positive linear…

Q: Felix has just received his monthly credit card statement. He placed 8 charges on his card in the…

A: Given: 7 Charges 23.63, 20.59, 21.21, 26.85, 24.84, 15.36, 23.60

Q: Covid-19, making malls in Singapore begin to limit the number of visitors and time of visits. One of…

A: Given: n=10 Using the excel formula "=AVERAGE(A2:A11)" the sample mean x¯=51.4 Using the excel…

Q: A company manufactures tennis balls. When its tennis balls are dropped onto a concrete surface from…

A: Given that n=25

Q: 4 kids have just received a large bag of candy pieces at a friend's birthday party each. The mean…

A: Given data is

Q: A sample survey by Nielsen Media Research looked at computer access and use of the Internet. Whites…

A: Given: n1=1170n2=1127x1=86x2=105

Q: Data were collected on the Facebook website about the most “liked” fast-food brands. The data values…

A: From the given information, Consider, the range of the is given to us that ranged from  1.0 million…

Q: There are approximately 7.8 billion people in the world and about two thousand billionaires. About 7…

A: Given that there are approximately 7.8 billion people in the world and about two thousand…

Q: ✅❎♦️♦️✅❎♦️♦️❎

A: Given data:Subjects with positive test results: 145False positive results: 28Subjects with negative…

Q: Are discriptive and inferential statistics competive or coplementary?

A: Descriptive statistics and inferential statistics are complementary to each other.

Q: Coal is carried from a mine in West Virginia to a power plan in New York in hopper cars on a long…

A: Note: Thank you for the question. Since the complete information is missing in the question, it is…

Q: For the following set of​ numbers, find the median.     47​,64​,60​,39​,44​,51 The median is…

A: Data set: 47​,64​,60​,39​,44​,51

Q: 2: The median age of the children is: 29 30.5 28.5 28

A: Given ages are, 36,42,18,32,22,22,25,29,30,31,19,24,35,29,26,36,24,28   Sort the data in Ascending…

Q: In a poll of 593 human resource professionals, 35.9% said that body piercings and tattoos were big…

A: The appropriate CI for the proportion that would describe the proportion of "professionals, who…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.