Question
In: Statistics and Probability
The table below lists the numbers of words spoken in a day by each member of...
The table below lists the numbers of words spoken in a day by each member of randomly selected couples. Complete parts below. Use a 0.05 significant level to test the claim that among couples, males speak fewer words in a day than females.
|
Female |
27000 |
16870 |
28783 |
25177 |
21677 |
17178 |
26813 |
23831 |
|
Male |
22665 |
23117 |
17592 |
12991 |
11902 |
20167 |
14957 |
20671 |
f. What is your conclusion ______________________________ and it means in this context:
Solutions
Expert Solution
Run t-Test: Two-Sample Assuming Equal Variances
P-value is 0.03 is lesser than 0.05
If the p-value is less than 0.05, we reject the null hypothesis that there's no difference between the means and conclude that a significant difference does exist
orchestra answered 2 years agoRelated Solutions
The table below lists the numbers of words spoken in a day by each member of...
The table below lists the numbers of words spoken in a day by
each member of randomly selected couples. Complete parts below. Use
a 0.05 significant level to test the claim that among couples,
males speak fewer words in a day than females.
Female
27000
16870
28783
25177
21677
17178
26813
23831
Male
22665
23117
17592
12991
11902
20167
14957
20671
First, you need to check the requirements.
1) it is a __________ _________ Sample;
2) either the number of...
The accompanying table lists the numbers of words spoken in a day by each member of...
The accompanying table lists the numbers of words spoken in a
day by each member of 56 different randomly selected couples.
Complete parts (a) and (b) below.
Male Female
27,927 20,148
14,850 24,892
6,324 5,396
28,793 19,140
26,459 10,862
6,331 16,212
21,862 10,044
17,046 19,135
26,084 13,129
21,814 20,366
11,281 16,227
10,646 12,021
12,117 17,875
22,161 22,720
20,445 4,559
777 19,113
19,858 22,515
9,697 17,186
21,106 16,356
16,351 12,606
17,379 29,934
21,860 9,533
9,490 15,950
8,727 7,057
25,605 11,467
10,938 ...
The accompanying table lists the numbers of words spoken in a day by each member of...
The accompanying table lists the numbers of words spoken in a
day by each member of 56 different randomly selected couples.
Complete parts (a) and (b) below.
a. Use a 0.05 significance level to test the claim that among
couples, males speak fewer words in a day than
females. What are the null and alternative hypotheses
for the hypothesis test?
Identify the test statistic. (Round to two decimal places as
needed.)
Identify the P-value. (Round to three decimal places as
needed.)...
Listed below are the numbers of words spoken in a day by each member of eight...
Listed below are the numbers of words spoken in a day by each
member of eight different randomly selected couples. Complete
parts (a) and (b) below. Male 15,536 25,576 1419 7737 18,362
15,734 13,680 25,846 Female 24,586 12,994 17,654 17,249 12,975
17,143 16,256 18,690 a. Use a 0.01 significance level to test the
claim that among couples, males speak fewer words in a day than
females. b. find the t statistic c. find the p value?
Listed below are the numbers of words spoken in a day by each member of eight...
Listed below are the numbers of words spoken in a day by each
member of eight different randomly selected couples. Complete
parts (a) and (b) below. Male 15 comma 375 26 comma 556 1401 7559
18 comma 327 15 comma 076 13 comma 760 26 comma 649 Female 24 comma
523 13 comma 931 18 comma 999 17 comma 770 13 comma 431 17 comma
388 16 comma 728 18 comma 102 a. Use a 0.05 significance level to
test...
Listed below are the numbers of words spoken in a day by each member of eight...
Listed below are the numbers of words spoken in a day by each
member of eight different randomly selected couples. Complete
parts (a) and (b) below. Male 15 comma 974 26 comma 598 1381 7732
19 comma 399 15 comma 474 14 comma 153 26 comma 609 Female 23 comma
948 13 comma 839 18 comma 810 17 comma 408 13 comma 149 16 comma
801 16 comma 434 18 comma 573 a. Use a 0.01 significance level to
test...
6. List below are the numbers of words spoken in a day by each member of...
6. List below are the numbers of words spoken in a day by each
member of six different couples.
Use a 0.05 significance level to test the claim that among
couples, males speak more words in a
day than females. Assume that the population differences is
normally distributed.
Male
5638
21,319
17,572
26,429
46,978
25,835
Female
5198
11,661
19,624
13,397
31,553
18,667
7. A sociologist wanted to estimate the difference in the amount
of daily leisure time (in hours) of...
5. The table below lists situation in numbers by WHO regions as of May 27, 2020:...
5. The table below lists situation in numbers by WHO
regions as of May 27, 2020:
Country, Other
Cases
Deaths
TOTAL CASES
Africa
85,815
2,308
Americas
2,495,924
2,641,734.00
Eastern Mediterranean
11,452
461,042.00
Europe
2,061,828
2,238,054.00
South-East Asia
6,359
224,882.00
Western Pacific
176,404
6,927
TOTALS
27,046
5,837,166.00
a. Complete the totals.
b. What is the probability that a randomly selected person
in the Americas?
c. What is the probability that a randomly selected person
in Europe?...
Following is a sample of the number of words spoken in each inauguration address for U.S....
Following is a sample of the number of words spoken in each
inauguration address for U.S. president
1,125
2,978
1,172
1,507
4,776
3,801
2,015
2,463
4,388
135
3,967
1,621
1,437
3,217
1,340
2,308
1,681
2,546
2,158
2,170
5,433
1,729
698
What is the 32nd percentile?
An auto dealer's sales numbers are shown in the table below. Find for each month the...
An auto dealer's sales numbers are shown in the table below.
Find for each month the mean, median, and mode prices of the cars
she sold. Round your answers to the nearest dollar.
Number sold
Price
May
June
July
$25,000
22
25
24
$15,000
49
24
24
$13,500
25
49
49
June
mean
$
median
$
mode
$
July
mean
$
median
$
mode
$
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