Question

# of text messages sent yesterday

3 8 3 18 2 1 8 1 6 13 15 14 13 9 20 12 5 9 18 18 13 2 7 6 0 0 11 12 4 13 1 19 4 12 4 11 8 18 1 15 12 6 6 12 19 12 20 12 8 12

Test the following claim:

70% of individuals that send text messages send less than 10 messages per day, α = 0.01

Answer #1

Cassie and Amir are trying to control the number of text
messages they send. They record the number they send every day in
April.
Cassie:
22, 21, 24, 20, 31, 19, 13, 23, 16, 12, 17, 15, 14, 11, 8, 24,
19, 14, 19, 27, 22, 26, 25, 20, 24,
I 8, 28, 12, 18, 22
Amir: 12, 8, 9, 3, 2, 12, 33, 28, 32, 28, 29, 13, 16, 14, 30,
26, 31, 32, 32, 13, 16, 26, 18,...

The stem and leaf plot shows a set of data regarding the number
of text messages sent and received per day by a group of college
students.
0
2 6 7
1
2 2 6
2
2 4 4 5
3
1 9 9 9
4
0
5
6
1
What is the mode of the distribution?
Based on this data, how many students send and receive 39 or
more text messages per day?
a.
10
b.
5
c.
4...

1. The following set of data lists the number of text messages
sent per day in a sample of college students and a sample of their
parents. College students: 43, 12, 14, 13, 54, 7, 50, 15, 21, 21
Parents: 24, 0, 20, 21, 3, 21, 17, 19, 5, 10 Compute the mean,
median, mode and sum of squares for each group
2. Compute the range, variance and standard deviation for each
group
3. Under what circumstances would the median...

Let S = { 1 , 2 , 3 , ... , 18 , 19 , 20 }
S = { 1 , 2 , 3 , ... , 18 , 19 , 20 } be the universal set. Let
sets A and B be subsets of S , where: Set A = { 4 , 6 , 10 , 11 ,
12 , 15 , 16 , 18 , 19 , 20 }
Set B = { 1 ,...

Dep Delay
Arr Delay
q1
-13
-9
q3
1
3
IQR
14
12
stdev
9.211846
9.660933
negative
291
zero
39
positive
170
total (should be 500)
500
all data is for arrival data. please help me explain these
can someone help me answer these questions and tell me how to
put them in excel.thanx in advance
1. Define a random variable (X) so
that your chosen data set represents values of X.
2. Is your chosen random variable discrete or...

Indices DUR DUR (OLD)
1 6 11
2 13 14
3 11 14
4 7 10
5 9 9
6 7 10
7 8 11
8 5 8
9 7 6
10 7 10
11 7 13
12 3 5
13 10 13
14 3 15
15 4 12
16 9 7
17 9 8
18 10 13
19 6 10
20 8 14
21 10 14
22 8 18
23 2 10
24 4 11
25 7 16
26 ...

Cork price: 16 10 15 10 17 11 14 13 11 14 11 16 18 16 10 17 14
14 16 7 10 12 19 15 16 14 9 12 21 13 10 16 12 16 13 17 17 13 14 18
11 12 15 16 13 18 16 17 12 12 14 9 11 14 19 13 11 17 11 13 15 14 18
18 18 12 10 11 13 14 11 14 18 13 13 19 17 14...

I need a breakdown to perform in excel for numbers 7,8,9. I am
unsure of how I calculate the times. heres the data set and the
questions.
Calculate the probability that a flight will depart early or on
time.
Calculate the probability that a flight will arrive late.
Calculate the probability that a flight departs late or arrives
early.
DEP_Delay
ARR_Delay
-4
0
-3
-3
0
-5
-7
-1
8
3
-1
-5
3
8
11
6
-6
0
-5...

Cork price: 16 10 15 10 17 11 14 13 11 14 11 16 18 16 10 17 14
14 16 7 10 12 19 15 16 14 9 12 21 13 10 16 12 16 13 17 17 13 14 18
11 12 15 16 13 18 16 17 12 12 14 9 11 14 19 13 11 17 11 13 15 14 18
18 18 12 10 11 13 14 11 14 18 13 13 19 17 14...

USING C++
The purpose of this assignment is the use of 2-dimensional
arrays, reading and writing text files, writing functions, and
program planning and development.
You will read a data file and store all of the input data in a
two dimensional array. You will perform calculations on the data
and store the results in the 2 dimensional array. You will sort the
array and print the results in a report.
Instructions
You will read in the same input file...

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