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Statistics
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Questions (21,333)
Find the three median y-values that would form the summary points of the median-median line for the dataset in the table. Copy
4 answers
asked by
BoB
2,345 views
The lengths of pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are
5 answers
asked by
Jane
13,074 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
970 views
The mean score on a normally distributed exam is 42 with a standard deviation of 12.1. Which socre would be expected to occur
4 answers
asked by
Tami
1,592 views
You want to estimate the number of students who bring their lunch to school every day. Which of the following is the best sample
1 answer
asked anonymously
72 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
47 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
56 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
kaite marie
58 views
what are 2 things you still wonder about IQR(interquartile rage)and MAD(mean absolute deviation)
im in 7th grade btw so sound
1 answer
asked anonymously
36 views
The following data set represents the highway fuel efficiency in miles per gallon (mpg) of randomly selected cars from two car
1 answer
asked by
???
64 views
Use the table to answer the question.
Dog | Frequency | Relative Frequency Caesar | 9 Fido | 4 Jock | 7 Borzoi | 5 Theresa makes
1 answer
asked by
JavierAsksAQuestion
28 views
These are the scores for two randomly selected lacrosse teams. Find the range of the number of goals scored by each team. Based
1 answer
asked anonymously
62 views
Use the image to answer the question.
A scatterplot on a coordinate plane of quadrant 1 is titled as Snow Accumulation in Inches
1 answer
asked anonymously
26 views
Question
Maritza plays in a softball league. She wants to know about how many players in the league also play basketball. Because
3 answers
asked anonymously
66 views
Theo, Ara, Jose, and Dana all got 100 percent on their latest math test. Their scores on the previous six tests are listed.
1 answer
asked anonymously
33 views
The randomly selected delivery times, in minutes, of two restaurants are as follows. Which restaurant has more consistent
1 answer
asked anonymously
35 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.
35,950 views
Data shows the number of seconds it took two randomly selected groups to thread a needle. Compare the measure of center and
2 answers
asked by
Me
183 views
1. What function would you use to find the mean in a microsoft(R) excel document
a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is
32 answers
asked by
TigerMgant
11,733 views
In hypothesis testing, β is the probability of committing an error of Type II. The power of the test, 1 - β, is then:
A. the
4 answers
asked by
emma
2,403 views
Please Help!
For the following, which type of t-test is required? (a) Studying the effects of a memory drug on Alzheimer’s
4 answers
asked by
jamie
1,739 views
The mean attendence of a class from Monday to Saturday was 34. If the mean attendence on Monday Tuesday Wednesday and Thursday
5 answers
asked by
Prasanjit
3,620 views
The mean monthly wages of 7experienced and 5 inexperienced workers is 1000 .If the mean monthly wage of the 5
5 answers
asked by
Ali
2,665 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
5,387 views
You weigh a group of eight kittens for 6 days and get the following data (in lb.):
1.6, 1.4, 1.1, 1.8, 1.3, 1.8, 1.2, 1.4 Select
6 answers
asked by
...
1,883 views
3. What is the correlation coefficient for the set of data? Round your answer to the nearest thousandth.
0.014 0.989 0.075 4.
12 answers
asked by
DO IT RIGHT♥
6,632 views
If the probability of a newborn child being female is 0.5, find the probability that in 100 births, 55 or more will be female.
5 answers
asked by
Kayla
11,722 views
How would you interpret the findings of a correlation study that reported a linear correlation coefficient of − 1.34?
4 answers
asked by
robyn
714 views
The Tribune claims that the time of travel from downtown to the University via the bus has an average of µ = 27 minutes. A
5 answers
asked by
Stanley
2,651 views
Which of the following questions is a statistical question?
What is the top-selling board game? In what aisle are the board games
5 answers
asked by
Oscar
4,485 views
Your teacher surveyed the class to determine the number of hours that each student spent on social media. Your teacher created a
1 answer
asked by
Eli
132 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
45 views
The soccer team receives good luck colored bracelets before each game. There are 7 different colors. The bracelet colors for 40
1 answer
asked anonymously
69 views
The mean height of a group of plants is 20 centimeters, with a standard deviation of 3 centimeters. What is the probability that
3 answers
asked anonymously
51 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
83 views
The mean absolute deviation of Dataset #1 is 48.2. Dataset #2 follows. Which dataset is more spread out? Dataset #2: 401, 467,
1 answer
asked anonymously
50 views
Kendra wants to know the average height of first-year high school students in her town. She randomly picked 25 male and 25
1 answer
asked anonymously
60 views
A coffee shop owner is interested in determining what people think about the new coffee flavor. Which of the following is the
1 answer
asked anonymously
96 views
Random Sampling Quick Check
2 of 52 of 5 Items Question A quality control manager wants to determine the percentage of defective
1 answer
asked anonymously
61 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
132 views
A cable channel is trying to decide whether to cancel a show or keep it for the next season. Which sample would be random?
3 answers
asked by
James Whie
58 views
This dataset represents the number of likes Julia had on her last 10 Instagram posts: 17, 19, 21, 23, 28, 31, 31, 34, 35, 36
1 answer
asked by
Bubin
45 views
A cable channel is trying to decide whether to cancel a show or keep it for the next season. Which sample would be random?
Survey
1 answer
asked by
Help
25 views
The low temperatures during one week in January were 2° , −3° , −9° , −11° , 1° , −8° , and −9° . What was the
1 answer
asked by
Help
43 views
Statistics Unit Test
6 of 156 of 15 Items Question Use the image to answer the question. An illustration shows a bar graph with
1 answer
asked anonymously
40 views
Question
Gavin is a member of a dance troupe. Which of these questions about the troupe qualifies as a statistical question?(1
1 answer
asked by
optinal
39 views
Luis wants to know what type of music 7th graders at SCCA like to listen to the most. There are 550 students in the 7th grade.
1 answer
asked anonymously
39 views
Use the table to answer the question.
Baseball Soccer Football Girls 31 62 51 Boys 57 54 71 A survey was given to girls and boys
1 answer
asked anonymously
18 views
Find the first quartile and third quartile for the set of values.
20, 27, 34, 31, 40, 41, 18, 25 (1 point) Responses first
1 answer
asked anonymously
35 views
81,85,82, 93,85,84,95,87,88,91
Find the standard deviation.
7 answers
asked by
Charles HELP ME PLEASE IDK WHAT TO DO
2,963 views
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