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Statistics
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Questions (20,059)
Jayla is given the model N(361, 18)
for a set of 75 data values and wants to determine if a normal model would be a good fit for
3 answers
asked anonymously
101 views
Question
A school principal wants to know the average number of extracurricular activities students in her school are involved
1 answer
asked by
shadow's cooking show
63 views
A calculator manufacturing company checks 500 calculator units, and 25 of them have non-functioning keys. Approximate the
1 answer
asked anonymously
59 views
Identify the third quartile in the following dataset:
53.3, 46.9, 48.1, 49.7, 52.1, 47.5, 47.2, 45.5(1 point) Responses 50.9 50.9
3 answers
asked by
Hann
201 views
What percentage of the area of the standard normal distribution is between z = -1.00 and z = +1.00? How do you know this?
6 answers
asked by
Jen
2,593 views
Statistics Basics Quick Check
5 of 55 of 5 Items Question A school principal wants to know the average number of extracurricular
1 answer
asked anonymously
72 views
Maritza plays in a softball league. She wants to know how many league players also play basketball. Because there are 225
5 answers
asked by
Alto Saxaphone
32 views
Find the mean absolute deviation of the following dataset: 8.4, 9.4, 14.2, 5.6, 8.3, 9.0, 10.2. Round the answer to the nearest
10 answers
asked by
Thatgirl
182 views
The city council wants to know if its 56,000 residents favor the construction of the new athletic facility. Six hundred
3 answers
asked by
idk
232 views
Assume the mean height of the soldiers to be 68.22 inches with the variance of 10.8inches square. How many soldiers in the
4 answers
asked by
Tshering
7,052 views
find the mean,variance and standard deviation for the number of heads when 10 coins are tossed.
4 answers
asked by
Nadia
5,845 views
A small factory employs 7 experienced and 5 inexperienced workers. The mean monthly wage of these 12 workers is $700. Given that
5 answers
asked by
MJ
3,132 views
You use the line of best fit for a set of data to make a prediction about an unk on value. The correlation coefficient for your
4 answers
asked by
Olivia
4,614 views
The table shows the number of people that went to see a movie last week. Use these statements to complete the table.
On Thursday,
11 answers
asked by
bob
5,362 views
Make a box-and-whisker plot of the data. 21, 21, 22, 20, 13, 13, 27, 24
A. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
16 answers
asked by
안녕
5,711 views
Lower quartile=39, Upper quartile=63.
Measurements of wind speed on a certain island were taken over a period of one year. A
5 answers
asked by
Pipipapoo
2,670 views
3. Find the area under the standard normal curve between z = 0 and z = 1.45.
6 answers
asked by
verronica
4,466 views
1. Use the table of systolic blood pressures (in mm Hg) in each arm to determine a line of regression that predicts the pressure
5 answers
asked by
maczindahouse
2,284 views
A random sample of 384 people in a mid-sized city (city one) revealed 112 individuals who worked at more than one job. A second
5 answers
asked by
Huh
1,987 views
the data from two random samples of 100 students regarding what pet they own is given below.
SAMPLE 1 54, 30, 8, 100 SAMPLE 2 39,
9 answers
asked by
connexuskid
73 views
The average points scored playing basketball for Player A and Player B are graphed in the graphs. Determine which player
1 answer
asked by
nbv
67 views
Mrs. Smith's Algebra 2 class scored very well on the last quiz. With one exception, everyone
received an A. Within how many
1 answer
asked by
J
60 views
Mrs. Smiths algebra 2 class scored very well on the last quiz. With one exception, everyone received an A. Within how many
1 answer
asked anonymously
48 views
Use the table to answer the question.
Type of Movie Number of Visitors Comedy 12 Action 5 Drama 3 Horror 0 Mystery 18 Thriller 7
1 answer
asked anonymously
44 views
Unit seven scatterplots and data analyzes lesson six trend lines QuickChek
1 answer
asked anonymously
20 views
you want to estimate the number of students to bring their lunch to school every day which of the following is the best sample
1 answer
asked anonymously
44 views
A teacher recorded the typing speeds of her students on Monday and Tuesday. The results are shown in the box plots.
Typing
1 answer
asked by
meep
40 views
Use the scenario to answer the question.
One variable increases, then the other increases, as well. Which term would best
1 answer
asked anonymously
26 views
The dot plots show the weights of randomly selected cats and small dogs in different households. What is the difference between
3 answers
asked by
St Jude girl
565 views
What is the frequency of brown-haired people in the sample? (In the sample there is one person with brown hair named Cathy in
6 answers
asked by
theoneandonly
2,894 views
can you give me all the answers to the measures of center quick check
15 answers
asked by
unkown
134 views
In a random sample of 30 sixth graders, 9 had traveled outside of the United States. There are a total of 120 sixth graders in
15 answers
asked by
Please check answers :)
2,280 views
Does anybody have the correct answers to Algebra 2 Statistics B Matrices Unit Test Part 1 for Connexus Academy I have tried to
8 answers
asked by
Sigma
1,413 views
The table below shows the temperature (in degrees) for eight consecutive days as well as the respective number of ice cream
7 answers
asked by
Um
5,801 views
A teacher decides to fail 5% of the class. Exam marks are roughly normally distributed
with μ = 72 𝑎𝑛𝑑 σ = 6. What
4 answers
asked by
Raya
482 views
What is the median of the data set below 77 92 84 97 72 88 77
a. 77 b. 83.9 c.84*** d. 88
5 answers
asked by
Anonymous
4,576 views
Let X be a single (i.e. n=1 ) Gaussian random variable with unknown mean μ and variance 1 . Consider the following hypotheses:
H
4 answers
asked by
ramj
1,537 views
The experience of a certain hospital showed the the distribution of length stay of patients is normal with a mean of 11.5 days
3 answers
asked by
maica
800 views
An oceanographer wants to check whether the depth of the ocean in a certain region is 57.4 fathoms,as has previously been
1 answer
asked by
Lakshmiprasanna
151 views
Which percentage accurately estimates the area under a normal curve to the right of a z-score of 0.07?
1 answer
asked anonymously
43 views
Here are the math test scores of 10 randomly selected students from Class 1 and Class 2.
Class 1: 75 80 84 79 92 86 88 86 86 90
3 answers
asked by
shadow's cooking show
49 views
Cal is a member of a cheerleading team. His team participates in a competition. Which is a statistical question about the
1 answer
asked anonymously
33 views
Find the mean, median, and mode of the data set:
15, 16, 21, 23, 25, 25, 25, 39 1.mean = 23.6, median = 25, mode = 24 2.mean =
163 answers
asked by
Girl with questions.
35,933 views
The average number of articles produce by two machines 200 and 250 with standard deviation 20 and 25 respectively on the basis
5 answers
asked by
sashi semwal
3,008 views
you use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your
10 answers
asked by
SAM
4,471 views
The data shows the number of seconds it took two randomly selected groups to thread a needle. Compare the measures of center and
1 answer
asked by
Yo mama
192 views
The mean height of three groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m, respectively. Find
4 answers
asked by
Victor
1,202 views
The lifetime in hours of a certain make of batteries follows a normal distribution with mean 160 and standard deviation 30.
Calcu
4 answers
asked by
harish
966 views
For the data set shown in the scatterplot, what is the BEST approximation of the slope for the line of best fit?
Responses A
1 answer
asked anonymously
38 views
The graph displays the number of points scored and the number of basketball games played determine the average points per game,
7 answers
asked by
WeaponXasks
77 views
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