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in a school,7/10 of the pupils like mathematics. half of those who like mathematics are girls.if there are 240 pupils in the
5 answers
asked by
Daisy
1,836 views
Find the area under the standard normal curve between z = 0 and z = 1.45.
5 answers
asked by
Anonymous
1,551 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
132 views
1. Carey has a bag of marbles. There are 4 red marbles, 5 blue marbles, and 1 green marble. She conducted an experiment in which
13 answers
asked by
Lillian
3,214 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
52 views
he data from two random samples of 200 people regarding their favorite nuts is shown in the following table.
Almond Pistachio
1 answer
asked anonymously
73 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
59 views
Students Seacoast Mountains Totals
7th Grade 60 40 100 8th Grade 90 110 200 Totals 150 150 300 Gloria surveyed all of the campers
1 answer
asked anonymously
31 views
Erica sells pottery at fairs every summer. She records the number of items she sells each day. The number of items she sells
1 answer
asked anonymously
18 views
Which of the questions below is a statistical question?
A- What are the ages of the singers in community chorus? B- who is the
1 answer
asked by
...
30 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
68 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 answer
asked anonymously
45 views
The highest temperatures measured at Death Valley, California, from 1995 to 2004 are given as a dataset. 127, 125, 125, 129,
1 answer
asked by
JavierAsksAQuestion
24 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
32 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
22 views
Statistics Unit Test
4 of 154 of 15 Items Question Use the image to answer the question. A histogram shows ranges of the wattage
1 answer
asked anonymously
12 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
19 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
32 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
25 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
12,215 views
A flour mill produces flour in small bags before distributing them to wholesalers. The average weight of each bag is 8 kg with a
3 answers
asked by
Dayana
1,220 views
Rolinda's first five Spanish test scores are 85, 85, 60, 62, and 59.
a. Find the mean, median and mode of the scores. Round to
51 answers
asked by
Caleidoscope
11,731 views
A distribution has a mean of 300 and a standard deviation of 25. If the z score of quartile 1 is -.7 and the a score of Q3 is
4 answers
asked by
Anonymous
1,267 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
166 views
which of the following is a statistical question
how many customers paid with cash last week at tasty time restaurant? how many
2 answers
asked anonymously
109 views
it has been found that 85.6% of all enrolled college and university students in the U.S. are undergraduates. A random sample of
6 answers
asked by
Paula
6,538 views
Find z so that 5% of the area under the standard normal curve lies to the right of z.
the answer according to the book is 1.645,
5 answers
asked by
Jessica
6,134 views
Find the z-scores for which 92
% of the distribution's area lies between minus z and z.
4 answers
asked by
chris
3,584 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
3 answers
asked by
iamunknownbyyou
291 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
133 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
111 views
A middle school has 450 students. In a random sample of 100 students, eight students indicated that they have traveled outside
9 answers
asked by
stupid
335 views
The number of words Mr. Ahmad’s students read per minute is 109, 89, 112, 98, 101, 105, 120, 106. What is the mean absolute
4 answers
asked by
Hann
223 views
The table below shows the scores of a group of students on a 10-point quiz.
Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4
4 answers
asked by
shley
1,845 views
A school principal wants to know the average number of extracurricular activities students in her school are involved in. She
3 answers
asked by
Math
402 views
Before an election, 5,000 voters were asked for their preferences. One thousand two hundred (1,200) said they would vote for
3 answers
asked by
stupid
119 views
A six-sided number cube is to be rolled 30 times. How many times do you expect to roll on an even number?
5 answers
asked by
Math
252 views
Describe Data Sets Practice
Complete this assessment to review what you've learned. It will not count toward your grade. 4 of 54
4 answers
asked by
noodle
97 views
Six whole numbers have
A median of 10 A mode of 11 A range of 4 Work out a possible set of a six numbers. Write the numbers in
7 answers
asked by
Lewis
6,710 views
The weight of adults in a certain city has a mean of 130 lbs, with standard deviation of
41 lbs. A sample of 25 adults living in
9 answers
asked by
tsion
2,034 views
The claim that 20% of Americans know their credit score is tested. Suppose that the sample (1 point) evidence causes us to fail
5 answers
asked by
Nylah
925 views
The following list has a median of 43. What would be the new median if 21 was added to the list??
The list is: 31, 48, 50, 23,
6 answers
asked by
Isabella
2,010 views
the data set below shows the weight
(in pounds) of 5 different pumpkins. what is the following set of data? 7, 5, 9, 5, 12 a: 7.3
31 answers
asked by
tøpboiiii
5,984 views
Cartons of milk from a particular supermarket are advertised as containing 1 litre of milk,but in fact the volume of the milk in
7 answers
asked by
Raj
1,463 views
On the six tests in her social studies course, Jerelyn's score were 92, 78, 86, 92, 95, and 91. Determine the median and the
7 answers
asked by
JAsmine
4,348 views
An SRS of size n is taken from a large population whose distribution of income is extremely right-skewed and the mean income is
4 answers
asked by
Sam
1,502 views
What is the interquartile range of this data set?
4, 5, 7, 9, 10, 14, 16, 24 A. 6 B. 7 C. 8 D. 9
10 answers
asked by
Hey can you help me
4,467 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
4,810 views
the arithmetic mean of x,y and z is 6 while that of x,y,z,t,u,v and w is 9. Calculate the erithmetic mean of t, u, v and w
5 answers
asked by
lawrence
1,941 views
How you can quickly calculate the mean of the following test scores without adding the numbers.
76,73,78,75
4 answers
asked by
Tammy
2,312 views
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