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Statistical Analysis
Page 9
Questions (482)
Sds
1 answer
asked anonymously
28 views
Which type of correlation is suggested by the scatter plot?
the dots are going down positive correlation negative correlation
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36 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
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16 views
Raul wondered if there was a relationship between the number of shots that a high school basketball player takes and the number
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ysnflow
74 views
When can a t-test be done more than once in the same study?
- When to do a paired t-test instead of an ANOVA? - If I am measuring
1 answer
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statistical analyses
64 views
In a research study, participants are asked to think about the funniest person they know and then describe that person. The
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36 views
Let the first entire population be -10 0 10 20 30 and second 8 9 10 11 12
Calculate the mean,media,mode range variance and also
1 answer
asked by
Mirriam Mwanza
13 views
A study was conducted to test the effectiveness of a software patch in reducing system failures over a six-month period. Results
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20 views
Given a collection of two data sets: a list of intersection locations and associated “number of accidents.” Which
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34 views
Tia, bill, Kay, and Marco counted the number of fireflies they saw each day for a week in the summer they put their numbers in
1 answer
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.
33 views
Is monthly speeding tickets in LA over the past 5 years an example of a time series data set?
1 answer
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19 views
The table shows the rate (in percent) at which a food kitchen increased the number of meals it served in comparison to the
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27 views
The table shows the rate (in percent) at which a food kitchen increased the number of meals it served in comparison to the
1 answer
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32 views
What can you say about the statistical significance of coefficients?
1 answer
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Didier
21 views
Select the correct answer.
The results of a series of surveys revealed a population with a mean of 4.73 and a standard deviation
1 answer
asked by
willie
19 views
Find the mean score of each sample. Based on the mean, which class generally performed better on the math test?
The mean score
3 answers
asked by
Someone
15 views
237.5-
235 232.5 230 227.5 225 222.5 220 217.5 215- 212.5 210 207.5 205 202.5 200 x 65 66 67 68 69 70 71 Is there a relationship
1 answer
asked by
513EliteTrackGirl
46 views
The following data set represents the highway fuel efficiency in miles per gallon (mpg) of randomly selected cars from two car
1 answer
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56 views
Importance of hypothesis testing
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11 views
Class 1: 75 80 84 79 92 86 88 86 86 90
Class 2: 83 85 91 93 72 85 76 80 82 89 Find the mean score of each sample. Based on the
1 answer
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Ice bear
43 views
Y x1 x2
57 220 125 43 216 147 73 250 118 37 241 160 64 305 128 48 258 149 56 354 145 50 321 150 39 370 140 43 375 115 69 385 155
1 answer
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econometrics
25 views
A data analyst for a phone company is analyzing the data of 150 of their customers, which accounts for 1% of their total
1 answer
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33 views
Imagine that you are creating a frequency table for the following age ranges:
Two people fall within 40 years of age and younger.
1 answer
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26 views
Llindsey found the median and mean of the list of numbers below.
4, 6, 8, 8, 15 Which statement is true if Lindsey includes the
1 answer
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BOThelper
20 views
An agricultural experiment designed to assess differences in yields of corn for four different
varieties, using three different
1 answer
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13 views
60 3 2 29 6 126 0
70 5 5 51 9 190 5 64 3 0 40 7 140 3 71 2 1 20 6 220 7 62 1 1 33 10 145 1 70 2 3 56 8 280 1 68 2 2 24 6 186 2 66
7 answers
asked anonymously
14 views
A social networking website researched the ages of its male users and female users. The findings were recorded in the box plots
1 answer
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17 views
Sensitivity and specificity in econometrics
1 answer
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Elick
14 views
Roc curve in econometrics
1 answer
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Elick
14 views
The outliers for site-A are 55.2 and 18.4 and for site-B is 76.54 and 22.54. mkae this better
1 answer
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9 views
Week 7 - Math 8 - Assessment8 of 10 8 of 10 Items QuestionThe x-axis represents a students age in years and the y-axis
1 answer
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Disiirl
15 views
Tiphani uses this table to record the number of hits she gets in each softball game she plays. Report the number of observations
1 answer
asked by
ur mom
39 views
identify the implication of error bars, outliers, expected relationships based on other studies.
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15 views
The weight of a cheetah can be based on the number of miles they run a day. The line of best fit for this dataset is
1 answer
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.
17 views
Which relationship most likely reflects both correlation and causation?(1 point)
Responses In restaurants, washing more cloth
1 answer
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31 views
The graph shows the number of ice cream cones sold during specific temperatures in the month of June. Is there an outlier? Use 1
1 answer
asked by
max
3 views
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 125 and a standard deviation of
1 answer
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19 views
A poll was taken to explore the relationship between the age and support for a candidate in an election. The results of the poll
1 answer
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27 views
A fisherman has collected the following data about the length in inches, L, and weight in ounces, w of fish he has caught. The
1 answer
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Hana
11 views
The dot plots represent test scores for two different exams. Which of the statements are true?
I. Exam 1 has a greater standard
1 answer
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32 views
Question Find the interquartile range of the given dataset. 11, 13, 22, 17, 14, 21, 27, 15 (1 point) Responses 13.5 13.5 21.5
1 answer
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Poppy werguyfv
6 views
Lionel wants to set up a juice machine in his office. He surveyed 200 random employees from the sales team in his office to know
1 answer
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13 views
Use the scenario to answer the question.
One variable increases, then the other increases, as well. Which term would best
1 answer
asked by
Jungkook is my love
12 views
Madison randomly surveyed 50 students at her high school about their favorite color and 18 students chose blue Madison concluded
1 answer
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11 views
Use the tables to answer the question. Simon’s Results Number of White Balls Selected Number of Red Balls Selected Bowl A 5 15
1 answer
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11 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
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18 views
Is the following a statistical question?
How much time do sixth graders spend online?
1 answer
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7 views
A teacher took an anonymous survey in one class and then posted the students height and weight on a scatterplot. What point is
1 answer
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The
13 views
True or false
Statical analysis is the special computer programing of statical softwer
1 answer
asked by
Dejene
5 views
True or false
1. Statical analysis is the special computer programing statical softwer
1 answer
asked by
Dejene
7 views
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