1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zzz [600]
2 years ago
10

A study was designed to compare the attitudes of two groups of nursing students towards computers. Group 1 had previously taken

a statistical methods course that involved significant computer interaction. Group 2 had taken a statistic methods course that did not use computers. The students' attitudes were measured by administering the Computer Anxiety Rating Scale (CARS). A random sample of 10 nursing students from Group 1 resulted in a mean score of 60.7 with a standard deviation of 6.9. A random sample of 15 nursing students from Group 2 resulted in a mean score of 66.3 with a standard deviation of 5.8. Can you conclude that the mean score for Group 1 is significantly lower than the mean score for Group 2? Let μ1 represent the mean score for Group 1 and μ2 represent the mean score for Group 2. Use a significance level of α=0.1 for the test. Assume that the population variances are equal and that the two populations are normally distributed. Step 1 of 4 : State the null and alternative hypotheses for the test.
Mathematics
1 answer:
NeX [460]2 years ago
3 0

Answer:

wowrjdndndnfnf dmdi fufu diff fjf fjf fifth f ouch r f ik r fir fir rir tir t

You might be interested in
Jesus joseph maryian christ, what is this math problem ? 25 points
maria [59]

Answer:

1,075,920,000,000 km³

5 0
2 years ago
Running at a constant​ rate, austin run 18 miles in a time of 180 minutes. How many minutes does it take austin to run ​ 6 miles
tia_tia [17]

Answer:

60 minutes

Step-by-step explanation:

to find this, we will first determine how long it takes austin to run one mile.

18 miles / 180 minutes

1 mile / 10 minutes

it takes austin to run 10 minutes to run 1 mile

now, we will multiply the number of minutes it takes by 6 to find how long it takes austin to run 6 miles.

1 mile / 10 minutes

6 miles / 60 minutes

it takes austin 60 minutes to run 6 miles

8 0
2 years ago
<img src="https://tex.z-dn.net/?f=18%20-%204%20%20%5Cdiv%20%20%7B2%7D%5E%7B2%7D%20%20%5Ctimes%2010" id="TexFormula1" title="18 -
Vinvika [58]
The answer is 8
Order of operations:(Please Excuse My Dear Aunt Sally)
Parentheses
Exponents
Multiplication
Division
Add
Subtract
When it comes down to multiplication and division you do whichever comes first , left to right same with add and subtract so..
Step1: 2 squared = 4
Step2: 4/4=1
Step3: 1x10=10
18-10=8 . Final answer is 8
7 0
2 years ago
The current temperature is 54°f. it is expected to rise 2.5° each hour. in how many hours will the temperature be 84°f?
faust18 [17]
The temperature will be 84 degrees in 12 hours
5 0
2 years ago
3.5 expressed in words is:
mart [117]
Yes, i believe the answer is true, have a great day :)
4 0
3 years ago
Read 2 more answers
Other questions:
  • Let f(x) = x2 + 15.+ 56<br>What are the zeros of the function?<br>Enter your answers in the boxes.​
    8·1 answer
  • What is the quotient and remainder of 8 divided 25
    14·1 answer
  • Subtract -46-(-19) the answer
    12·1 answer
  • Is a acute triangle a right triangle
    11·2 answers
  • Identify the minimum or maximum value and the domain and range of the function
    15·1 answer
  • Need help fast! <br>does anyone know how to do this? ​
    9·1 answer
  • Evaluate a -13 when a=33
    10·2 answers
  • What is the tan A?<br><br> No random answers pls
    7·2 answers
  • Write the phrase as a numerical or algebraic expression: 7 more than 16n
    14·2 answers
  • Wyatt invests $1200 into an account that earns 6.2% simple interest for 4 years. He does not make any other deposits or withdraw
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!