On his 5 tests, Ahmad earned a total of 450 points. What was his mean number of points earned per test? ☐ points ☑

Q: esearch scientist wishes to test the claim that the mean number of units taken by community college…

A: From the given information, We see that no information about the normality of the population is…

Q: In elementary statistics, how do you calculate class width? I don't understand it.

A: According to the given information in this question We need to find that how we calculate class…

Q: find 40 th percentile   10,15,18,16,19,20,24,15,26,20,22,25,28,17

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Q: find out 3rd decile  65,85,75,30,20,42,94,34,75,15

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Q: The mean work week for engineers in a start-up company is believed to be about 62 hours. A newly…

A: From the given information, the number of observations is 8.

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

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Q: what is the average number of traffic accidents

A: Discrete series means where frequency  of a variable are given but the variable is without class…

Q: What is the difference between the interval and ratio levels of measurement in statistics? For…

A: There are four types of levels of measurement in statistics to represents the data. Which are,…

Q: Find the 1rst quartile and 3rd quartile of the following numbers  41,43,46,47,48,50,51,52,53,54,55

A: The given numbers already in the increasing order: 41,43,46,47,48,50,51,52,53,54,55 Median = middle…

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: Suppose the profit the Honda dealership makes on the next 5 Accords it sells are: 443, 1,058, 766,…

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Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…

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Q: Mrs. Cruz is a Math teacher; she gives a 60 item test for remedial class. The scores of 20 students…

A: Deciles divide the ordered data into 10 equal parts.   There are 20 values in the data. So, n = 20.…

Q: The scores of University exams are displayed on the board. The scores of students are :-…

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Q: speech therapist gave a patient an assessment to test articulation. The patient pronounced 5 test…

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Q: Explain the value of p?

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Q: determine the level of measurement of Scores in a Board Exam

A: Nominal data: Nominal data measure qualitative data and it is the name of variable. Ordinal data:…

Q: What is the weighted mean of the numbers 10%, 30%, 60%, 70, 86 and 94

A: The formula of weighted mean is given by…

Q: The average college student drinks 12 cups of coffee a week. What type of test was computed to make…

A: Here, the average college student drinks 12 cups of coffee a week.

Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

Q: The mean weight of 32 math students is 42.6 kg. If the students could all stand on the scale…

A: Given that ; The mean weight of 32 math students is 42.6 kg. If the students could all stand on the…

Q: What percentage of books read 76 books out of 80 total books

A: Solution:

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: The median age of five people in a meeting is 40 years. One of the people who leaves the room are 60…

A: The median age of five people in a meeting is 40 years.

Q: If the aggreat is 30 and the mean is 10. How many sets of numbers are used

A: According to the provided information, The aggregate is 30 and the mean is 10

Q: The mean score of a girl in 3 tests is 68. What should her mean score in 2 remaining tests be in…

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Q: Define mean, median, mode and range. Please illustrate what they would be  by using a run of 9…

A: Here we have to define mean, median, mode and range with example

Q: Find the range & the standard deviation :  74,70,70,66,68,69,69

A: Given terms are 74,70,70,66,68,69,69

Q: scores

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Q: Amtrak trains from Chicago to portland arrived at MT, where they made a change, the following number…

A: Given: Data is: 26,17,245,19,38,42,11,0,14,44 n = 10

Q: he mean score on a set of18 tests is 79.What is the sum of all the test​ scores?

A: Since we know that if a1,a2,.......an are numbers , then mean of all numbers is given by…

Q: i need 20 to be 30 for the sample section

A: The mean is 1.8 and the standard deviation is 0.5.

Q: Describe about THREE F TESTS.

A: The F tests  involves three basic steps, namely 1) F test of the equality of two variances. 2)…

Q: what percentage of bus drivers had 3 or more traffics acccidents

A: From the provided information, Sample size (n) = 700 Total frequency of 3 or more traffic accidents…

Q: Ten HR majors had an average grade of 94 on an exam. Fourteen business majors averaged 86, while six…

A: Given problem Given that   Ten HR majors had an average grade of 94 on an exam. Fourteen business…

Q: Fifteen students took a test. The marks obtained by 10 student, who have cleared the test, are given…

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Q: The average depths in feet of four oceans are 13,215, 12,881, 13,002, and 3953. Calculate the mean…

A: Given: The average depths in feet of four oceans are 13215, 12881, 13002 and 3953. To Find:  The…