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Statistics
Page 7
Questions (20,060)
The median number of magazine appearances made by 7 models is 5. The range of magazine appearances by those models is 5.
Determin
10 answers
asked by
rish
3,787 views
Which type of correlation is suggested by the scatter plot?
A. Positive correlation B. Negative correlation C. Equal correlation
10 answers
asked by
I'm just an employee
9,561 views
(GRAPH) Sketch a normal curve that has a mean of 15 and a standard deviation of 4. On the same x-axis, sketch another normal
7 answers
asked by
Sylvia
4,625 views
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people
5 answers
asked by
florence
19,538 views
Suppose that the random variable Θ takes values in the interval [0,1].
a) Is it true that the LMS estimator is guaranteed to
4 answers
asked by
dwie
3,218 views
in a medical examination, 300 people undergo a height measurement and was found out that the average height of all are 150cm. if
7 answers
asked by
Ej
5,082 views
Let 𝑋1,…,𝑋𝑛 be i.i.d. Bernoulli random variables with unknown parameter 𝑝∈(0,1) . Suppose we want to test
𝐻0:�
3 answers
asked by
ramj
1,957 views
A private opinion poll is conducted for a politician favors decriminalizing marijuana possession. How large a sample is needed
4 answers
asked by
Clifford
4,383 views
How do you classify the mode of the given set: 25, 30, 18, 18, 27, 15, 15, 30?
4 answers
asked by
sea
683 views
The test scores for a math class are shown below
83,85,82,93,83,84,95,87,86,94 what is the standard deviation of the data set?
5 answers
asked by
heather
4,347 views
a pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. how large should the
4 answers
asked by
paula
6,894 views
What is the range 36 75 63 49 83 46 54 79?
4 answers
asked by
Lilly
654 views
a company manufactures batteries in batches of 18 and there is a 3% defect rate. Find the standard deviation for a number of
4 answers
asked by
tara
3,277 views
A certain number of articles manufactured in a batch were classified into three categories according to some particular
4 answers
asked by
Jeshani
1,183 views
a six-faced die was thrown 28 times. the table shows the number that each possible score occurred.
score 1 2 3 4 5 6 frequency 8
4 answers
asked by
max
930 views
find the area under the normal curve that lies between z=0 and z=2.35?
find the area under the normal curve that lies between
4 answers
asked by
rex
837 views
For questions 3-4, use your calculator to create a scatter plot and line of best fit for the data:
Average height of a species of
4 answers
asked by
aster
1,540 views
In a class of 60 students, Heather has a rank of 16. At what percentile is she?
3 answers
asked by
Skylar
4,146 views
Find the z-scores that separate the middle 40% of the distribution from the area in the tails of the standard normal
2 answers
asked by
yes
1,022 views
A machine is used to fill cans of soup with nominal volume of 0.5 litres.The quantity of soup actually delivered is normally
3 answers
asked by
Raj
596 views
X follows normal distribution(400,64).Find the inter-quartile range of the distribution.
👍 0 👎 0 👁 35 asked by Raj today
6 answers
asked by
Raj
504 views
I am respectfully requesting help with the following assignment. I am struggling in this chapter of statistics...
Define the term
4 answers
asked by
Lisa
1,152 views
In a random sample of 112 State College students, 41 students reported being current smokers.
a) Calculate the 95% confidence
3 answers
asked by
Anonymous
576 views
assume the mean height of soldiers to be 68.22 inches with a variance of 10.8 inches. how many soldiers in a regiment of 1000
3 answers
asked by
ann
1,320 views
The heights in inches of six basketball players at a local high school are given as a dataset.
70, 78, 74, 82, 68, 75 Find the
2 answers
asked by
no name
128 views
1. Bivariate data
1 answer
asked anonymously
94 views
Are there any outliers in the data shown on the scatterplot? If so, where? (1 point) Responses Yes, at (74, 200) Yes, at left
4 answers
asked by
THE ANSWER!!!
489 views
The city zoo graphed the attendance of patrons over a two-week period of time. Interpret the scatterplot to determine what type
13 answers
asked by
idk 1
750 views
Question
A poll is conducted to determine who is most likely to win the election for town mayor. Two random samples of 500
1 answer
asked anonymously
31 views
Use the table to answer the question.
Students ▕▕ Seacoast▕Mountains▕ Totals 7th Grade▕▕70 ▕40 ▕110 8th Grade
1 answer
asked by
professionalwattpadreader
100 views
In a random sample of 400 watches, 3 are defective. Out of a total of 10,500 watches, how many would you expect to be defective
1 answer
asked by
Ice bear
71 views
The ages, in years, of randomly selected employees are 34, 41, 28, 35, 27, 44, 48, 29, 33, and 39. Determine the mean age.(1
1 answer
asked by
Ice bear
35 views
Comparing Data Distributions Quick Check
5 of 55 of 5 Items Question Two fertilizers are applied to randomly selected potato
1 answer
asked by
Ice bear
82 views
The ages, in years, of randomly selected employees are 34, 41, 28, 35, 27, 44, 48, 29, 33, and
39. Determine the mean age. (1
1 answer
asked anonymously
42 views
The ages of randomly selected employees at two companies are recorded. Their ages are as follows.
Company A: 34, 28, 36, 27, 45,
1 answer
asked anonymously
34 views
The ages, in years, of randomly selected employees are 34, 41, 28, 35, 27, 44, 48, 29, 33, and 39. Determine the mean age.
39.8
1 answer
asked by
Someone
76 views
Yasmin has a bag containing 165 colored beads. Her classmates take turns selecting one bead from the bag without looking,
1 answer
asked anonymously
21 views
Unit three lesson 12 unit plots and data analysis, scatterplots and data analysis unit test
1 answer
asked anonymously
59 views
Gloria surveyed all of the campers to determine their preferred field trip. The results are displayed in the table. Which of the
1 answer
asked by
local.trin
52 views
Are there any outliers in the data shown on the scatterplot? If so, where?
Yes, at (74, 240) No, there are no outliers in the
1 answer
asked anonymously
50 views
Giani is collecting data about people’s grocery shopping habits. He asks 25 people about the distance they travel to the store
1 answer
asked anonymously
18 views
74, 81, 86, 92, 74, 85, 90, 89, 78, 80
Determine the mean absolute deviation of lucia spanish quiz grades.
1 answer
asked anonymously
23 views
a large company plans to develop a private subdivision. There are 6 house models to choose from and for each model a client may
1 answer
asked by
Anoumous
75 views
You use a line of best fit for 5 different sets of data to make a prediction about an unknown value. The correlation coefficient
1 answer
asked anonymously
54 views
What is the median of the data set? 27, 6, 13, 8, 32, 21, 8, 16, 8, 11
1 answer
asked anonymously
16 views
Bob spun a spinner with 6 equal sections 150 times and recorded the results. Based on the data which outcomes are equally
1 answer
asked anonymously
54 views
Statistical Questions Quick Check
1 of 51 of 5 Items Question Recognize the statistical question from among the four questions
1 answer
asked by
needing answers
92 views
The histogram shows the total number of children in different age groups at Paula’s Playcare.
Which two statements best
3 answers
asked anonymously
16 views
The shoe sizes for a varsity field hockey team are: 5.5, 5.5, 6.0, 6.5, 6.5, 7.0, 7.0, 7.5, 7.5, 7.5, 8.0, 8.0, 8.0, 8.5, 8.5,
1 answer
asked by
Bubin
16 views
Make a box-and-whisker plot of the data.
Average daily temperatures in Tucson, Arizona, in December: 67, 57, 52, 51, 64, 58, 67,
1 answer
asked anonymously
19 views
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