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Statistics
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Questions (21,341)
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
Kat and Joshua want to know which pizza shop has the fastest delivery time. Kat took a random sample of 8 delivery times from
2 answers
asked by
Yo mama
222 views
A linear regression equation of best fit between a student's attendence and the degree of sucess in school is h = 0.5x + 68.5.
6 answers
asked by
Ashlee
2,239 views
Monica is interested in the typical number of hours kids in the United States spend outside in a year. Which of the following
2 answers
asked by
andrew michal mcmahon
125 views
Rowen conducts a survey to record the number of movies bought by each customer during a weeklong sale at his store Number of
2 answers
asked by
c00lgirl333
197 views
Average height of a species of tree (in feet) after a certain number of years
Years----------Height 1 ------------- 2.1 2
7 answers
asked by
Kaai97
3,415 views
Make a histogram for driver's ages using the data from the table below.
Drivers ages Frequency 8 7 9 4 Age 17-19 20-22 23-25
16 answers
asked by
need help asap
3,923 views
x ~ N(400,64)
1) Find the limits within which the central 95% of the distribution lies. 2) find the interquartile range of the
5 answers
asked by
harish
1,344 views
a company employs 12 gardeners at $26 per day , and 8 clerks at $17 per day. What is the mean daily wage,in dollars,of the 20
5 answers
asked by
Jenna
5,128 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
2,677 views
Use the display of data to find the standard deviation.
A bar graph titled Score with a horizontal axis labeled from 5 to 11 in
5 answers
asked by
Jessica
4,818 views
Imagine you're a researcher and you need to perform a one-sided test of an alternative hypothesis. You decide to conduct a
4 answers
asked by
Jim
2,834 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
2,292 views
The least absolute deviation line equation for the data in the table is m = 0.1 x + 2.9
X 1,6,0.5,4,7.5,12,10,11 y
4 answers
asked by
BoB
1,386 views
Suppose you have a mean standardized score of 1500 points with a standard deviation of 150 points. This data is normally
4 answers
asked by
Destiny
2,947 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
805 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
For a statistics assignment, Shayna
2 answers
asked anonymously
71 views
A statistician collects the following height data in inches for a school district. The statistician says that it is a normal
1 answer
asked anonymously
469 views
The randomly selected delivery times, in minutes, of two restaurants are as follows. Which restaurant has more consistent
1 answer
asked anonymously
61 views
A local school board believes there is a difference in the proportion of households with school-aged children that would support
1 answer
asked anonymously
43 views
The mean absolute deviation of Dataset #1 is 48.2. Dataset #2 follows. Which dataset is more spread out?%0D%0A%0D%0ADataset #2:
1 answer
asked anonymously
84 views
Gavin is a member of a dance troupe. Which of these questions about the troupe qualifies as a statistical question?(1 point)
Resp
1 answer
asked anonymously
79 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
133 views
The mean of each dataset that follows is 62. Which dataset is less spread out? Justify your answer using the mean absolute
1 answer
asked by
yes
44 views
The list shows the maximum flying speeds of the ten fastest birds worldwide.
88, 72, 77, 95, 65, 80, 70, 106, 65, 68 What is the
3 answers
asked by
Exoctic_DrEaMs
139 views
The randomly selected delivery times (in minutes) of two fast food restaurants are as follows.
Fast Food 1 Fast Food 2 42 40 38
1 answer
asked anonymously
90 views
There are 628 serious and tans high school tan survey is 120 randomly chosen students about their favorite movie genre the
1 answer
asked anonymously
46 views
Two fertilizers are applied to randomly selected potato plants. After several weeks, the potatoes are weighed. The weights in
1 answer
asked anonymously
43 views
Theo, Ara, Jose and Dana all got 100 percent on their latest math test. Their scores on the previous six tests are listed. Whose
1 answer
asked by
???
23 views
Calculate the interquartile range of the following data. Remember that Desmos (right-click and open in new tab/window) can be
1 answer
asked anonymously
40 views
A store manager wants to know the percentage of shoppers who use coupons. He surveys everyone who enters the meat aisle. He
11 answers
asked by
red
57 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
35 views
The dot plots show the gas mileage for randomly selected cars and SUVs. Which data values do both distributions have in common?
7 answers
asked anonymously
31 views
Summarize the dataset by finding its measures of center—mean, median, and mode. 20, 30, 32, 16, 31, 32, 13, 20, 28, 32, 15,
5 answers
asked anonymously
20 views
Measures of Variation Quick Check
5 of 55 of 5 Items Question The randomly selected delivery times, in minutes, of two
1 answer
asked by
Alto Saxaphone
50 views
Correlation Quick Check
2 of 52 of 5 Items Question Use the image to answer the question. An illustration shows a scatterplot
1 answer
asked by
Jesse Taylor
27 views
In a sample of 1000 cases, the mean of a certain test is 14 and standard deviation is 2.5. Assuming the distribution to be
1 answer
asked anonymously
19 views
In which of the following situations is it reasonable to use the entire population instead of a sample to collect data?(1 point)
1 answer
asked by
winston
34 views
Suppose that 45 percent of the milk tea drinkers in your community love matcha flavor. The standard deviation is 0.09. What is
1 answer
asked by
hi
20 views
Find the interquartile range of the given dataset.
11, 13, 22, 17, 14, 21, 27, 15 (1 point) Responses 21.5 21.5 6.5 6.5 8 8 13.5
5 answers
asked by
someone_that_not_important_to_you
31 views
Distinguish between a sample and a population by identifying the population in this scenario. You are studying the average
3 answers
asked anonymously
40 views
Use the table to answer the question.
Cloudy Sunny Totals Cold 40 5 Warm 10 35 Totals Maria recorded the weather over the last 90
1 answer
asked by
..
24 views
1: What is the median of the data set: 25,8,10,35,5,45,40,30,20
A:10 ~ B:22.5 C:25 D:27.5 2: What is the upper quartile of the
29 answers
asked by
Candy
12,225 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
3,016 views
Number of goals scored in one season at Whitmore College soccer games follows:
0, 0, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4
2 answers
asked by
Hann
110 views
There are 528 students in Pablo's high-school. Pablo's surveyed 130 randomly chosen students about their favorite ice cream
2 answers
asked by
Me
273 views
A calculator manufacturing company checks 500 calculator units, and 25 of them have non-functioning keys. Approximate the
7 answers
asked by
idk
161 views
What is the sum of the absolute deviations in the following dataset: 68, 51, 75, 78, 94, 35? The mean is 66.8.
2 answers
asked by
Imagine being 3 years older but still smaller lmao
145 views
The data from two random samples of 100 students regarding what pet they own is given below.
Dog Cat Bird Total Sample 1 54 38 8
2 answers
asked anonymously
124 views
Determine whether the range or interquartile range best describes the spread of a dataset.
The times (in seconds) for a high
2 answers
asked by
Hann
126 views
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