Statistics question and answers for October 31, 2023
- Q In a ninth grade homeroom class 3 of the 16 girls have red hair and 2 of the 15 boys have rec hair What is the probability of selecting a...
- Q A dietician is researching two new weight gain supplements that have just hit the market Ripped and Gainz She wants to determine if there is any difference between the two...
- Q Ryan is a human resources executive for a technology company He is deciding between two types of plans for vacation allowance for the employees of the company Unlimited and Traditional...
- Q You roll a die 48 times with the following results Number Rolled 1 2 3 Frequency 4 13 2 st 4 5 6 14 13 2 Test the claim that...
- Q The US Census Bureau reports that 26 of all U S business are owned by women A Colorado consulting firm surveys a random sample of 410 businesses in the Denver...
- Q Faculty members at a large university have found that over the past several semesters that a cell phone rings in class on average 20 times per semester A reporter for...
- Q At CPU every student gets a college email address Data collected by the college showed a negative association between student grades and the number of emails the student sent during...
- Q As a professional golfer you decide to experiment with two different golf balls Nike and Callaway After the experiment you will make a contract with one of the manufacturers and...
- Q A long jump competition took place recently at a local high school The coach is interested in performing as well as possible in the next competition so he is looking...
- Q You draw a card from a deck Find the probability Drawing an even numbered card
- Q You draw a card from a deck Find the probability round to 4 decimal places Drawing a face card Jack Queen King
- Q The statement below contains a mistake Explain the mistake with a sentence The correlation between a person s age and vision 20 20 is r 1 04
- Q An instructor recommends to students in his introductory statistics class to spend at least 5 hours studying outside class One of the items on the student survey for this course...
- Q Suppose it is known that 20 of college students work full time Part A If we randomly select 12 college students what is the probability that exactly 3 of the...
- Q Suppose our target population is very large and that our sample was realized by a method of andom selection Consider the following sample distribution Sample Frequency n 1970 Frequency 1300...
- Q uppose our target population is very large To each observational unit we have a two level factor ttribute called hotdogs with categories not hotdog and hotdog Consider the following inomial...
- Q Frequency 10 8 6 2 0 H 3 160 160 170 170 180 180 190 190 200 200 210 210 220 Mean yolk mass g 16 Based on the frequency...
- Q Frequency 10 8 6 4 20 160 Yolk Masses of Eggs in Past Breeding Seasons illo 11 160 170 170 180 180 190 190 200 200 210 210 220 Mean...
- Q Summer months You ask 20 students during the Summer months and get the following responses 0 3 4 4 7 11 8 7 3 1 5 8 10 17 12...
- Q Which of the following cannot be stored in a list in R O Nothing A list can store any object O Data Frames O Lists
- Q What is the storage mode for any given data frame list O numeric logical O character O data frame O factor
- Q Which of the following commands will not properly extract the component of a list named Last Component with L Last Component L Last Component O L Last Component O L...
- Q What is the class for any given matrix matrix array O matrix O matrix array O array
- Q What is the class for any given data frame data frame O integer O numeric O logical character factor O list
- Q You and your friends vote on where to go snowboarding next week You choose from Diamond Bar D Big Boulder B Arrowhead A and Camelback C Based on the preference...
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