1. The grades of a student on seven examinations were 85, 96, 72, 89, 95, 82 and 85. Find the student's average grade.

Q: After giving a statistics exam, Professor Dang detemmined the following five-number summary for her…

A: Five number summary is a nice way to represent data  It includes minimum, first quartile Q1, Second…

Q: In a survey of 120 pet owners, 28 said they own a dog, and 85 said they own a cat. 26 said they own…

A: Solution

Q: What percentage of students are enrolled in between 12 and 18 credits?

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Q: During each six week grading period, the students in Mr.Welsh's math class are allowed to drop their…

A: We know, the measures like mean, variance, mean deviation are depends on all the data points.  Also…

Q: 12. Jackson has scores of 80, 90, 83, and 81 on four Math quizzes. What is the score he needs on the…

A: Let us assume that the next score is x then

Q: What is the value of Ex² for the scores 1, 0, 2, 4? O 21 O 28 O 14

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Q: .2 mn Mun 177 FOR the scores in the follawne table, what is the value of 2. 1 3. 2. 2.

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Q: A survey of used car salesmen revealed the following information: 69 wear white patent-leather shoes…

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Q: survey was given to 9090 high school students. They were asked if they preferred fiction or…

A: Given query is to find the percent of students in the survey,  prefer outdoor activities given they…

Q: If the following seven scores are ranked from smallest (#1) to largest, which rank should be…

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Q: 10. What is the median of the following seven numbers? {52, 45, 23, 15, 23, 41, 29}

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (a) How many applicants were there? (b) How many applicants did not have sales experience? (c) How…

A: (a) Let SE be the human resources director have sales experience, CD be the human resources director…

Q: 150 grade twelve students were asked which of the following 3 TV programs they watch regularly. 102…

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Q: #2. Calculate (a) P(7,4) + P(7,3) (b) P(5,5)

A: Permutation is calculated as shown below: P(n,r) = n!/(n-r)! n! = n*(n-1)*(n-2)*.....2*1

Q: 2. Find the median of the set of numbers 11 25 18 79 12 13

A: Given data is : 11,25,18,79,12,13

Q: Given the following data: 86, 70, 73, 82, 79, 77, 69, 77, 87, 73, 66, 77 Less than what number is…

A: We can find the number which is less than the lower 70% of the data as below.

Q: A survey of 200 people yielded the following information: 94 people owned a Blu-ray player, 125…

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Q: The state transportation commission counted cars traveling east and west across a toll bridge. The…

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Q: How many selected cities have values under 11,508,260? (Compare your answer to the table to be sure…

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Q: Eight hundred insects were weighed, and the resulting measurements, in milligrams, are summarized in…

A: The whiskers of the box plot indicate the upper and lower quartile. The lowest and highest line of…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

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Q: The Venn Diagram below shows the number of students being surveyed. DRUM GUITAR 21 10 19 10 1. How…

A: We have to solve

Q: a) How many students are not taking English & Dance or are taking English & Psychology? b) How many…

A: Note: As per Bartleby's instruction when more than three questions asked in a subpart only three…

Q: 16 cars. (3 = Good, 2 = Acceptable, 1 = Marginal, 0 = Poor)

A: A) Relative frequency:

Q: A boxplot for a set of 40 scores is given below. How many scores are represented in the blue section…

A: How many scores are represented in the blue section of the boxplot total scores are 40

Q: 41. What is the value of EX + 1 for the scores: -1, 0, 2, 3?

A: Given data is -1,0,2,3

Q: a. how many obtained news from television but not from newspapers or the Internet? b. how many…

A: a. From the Venn diagram there are 232 household obtained news from television but not from…

Q: What is the margin of error associated with a survey of 1034 college students if we want to be 97%…

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Q: Sam received scores of 84,86,83,90 and 87 on five tests. Hola had scores of 90,75,94,68 and 98 on…

A: Now we apply the formula of getting average = Sum of all scores / Total matches playedSo average…

Q: Mary ann,hazel,and analyn want to know what numbers can be assigned for the frequency of heads that…

A: Three coins are tossed :  When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT,…

Q: ) 26. Use proportion method to determine the nature of association between A and B: 30 20 50 B. 50…

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Q: a. How many welders were studied? b. What is the class interval? c. About how many welders earn less…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 5) At Bill's community college, 41.7% of students are Caucasian and 2.7% of students are Caucasian…

A: Given that 41.7% of students are Caucasian and 2.7% of the students are Caucasian math majors.…

Q: How many anagrams of FROSTYROADS are there? Give the answer as a p

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Q: In a survey of 359 people, a pet food manufacturer found that 23 owned a dog but not a cat, 140…

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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: 150 college freshmen were interviewed. 85 were registered for a Math class, 70 were registered for…

A:

Q: 9. Find the mean of a student's test scores if he earned 93, 91, 85, 90, and 91 points on five…

A: Given data is 93, 91, 85, 90, 91sample size(n)=5

Q: 2. The weights, in grams, of seven sweet potatoes are 260, 225, 205, 240, 232, 205, 214. What is the…

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Q: The following are the scores of 10 students in a Mathematics quiz. 16, 24, 38, 36, 24, 28, 30, 18,…

A: Mode of a given data : The value occurring most frequently in a set of observations is its mode. In…

Q: you rolled a six-sided die 60 times and got the following tally. 20 ones, 20 twos, 15 threes, 3…

A: For a fair die, there are six equally likely outcomes, {1, 2, 3, 4, 5, 6}. That is, probability of…

Q: 120 coffee drinkers were asked whether they used cream or sugar in their coffee. The summary of the…

A: Given info: 120 coffee drinkers were asked whether they used cream or sugar in their coffee.…

Q: The Venn Diagram below shows the number of students being surveyed. DRUM GUITAR 21 10 19 10 1. How…

A: We will find the venn diagram and answers related to the 2nd diagram as following.

Q: what is 3 out of 10

A: Given,           3 out of 10.

Q: 2. An eye doctor keeps track of whether people who come in for testing need glasses. When she…

A: Solution: The observed frequency table is    Glasses  No Glasses  Row Total  Brown  43 55 98…

Q: ,4,5,6,7,8,9, 14,15,16,17, respectively. a) How much percentage is earned in KNOWLEDGE ? b) How much…

A: Note: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: What is the mean of the numbers 0.1, 0.11, and 0.111?

A: 0.1 + 0.11 + 0.111 = 0.321

Q: a) How many students took Math, Science, or Dance? b) How many students took Math or didn't take…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 42 If a hockey team's win: loss: tie ratio is 5: 2: 3 after their last 30 games, how many games have…

A: If a hockey team's win:loss:tie ratio is 5:2:3 after their last 30 games, how many games have they…