answer.
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
A model spaceship costs $15.99 before tax. The tax on the model spaceship is 8%. What is the total cost of the model spaceship?
yan [13]
Model spaceship cost = $15.99
Tax % = 8%

Amount of tax = 15.99*0.08 = $1.279

Amount after tax = $15.99+$1.279 = 17.2692
After rounding-off to the nearest cent, it would be $17.27

So, your final answer is $17.27

Hope this helps!
6 0
2 years ago
Read 2 more answers
Caleb bought groceries and paid $ 1.60 $1.60dollar sign, 1, point, 60 in sales tax. The sales tax rate is 2.5 % 2.5%2, point, 5,
goldenfox [79]

Answer:

The cost of the groceries is $64 and Caleb paid in total $64.00 not  including the sales tax.

Step-by-step explanation:

6 0
1 year ago
Sharon is 54 inches tall. tree in her backyard is five times as tall as she is. the floor of her treehouse is at a height that i
mafiozo [28]
First to solve this problem you are going to figure out how tall the tree is. So if Sharon is 54 inches and the tree 5 times the height she is you would do 54*5= 270. Next you go to find out how tall the floor of her tree house is. It says the floor is twice the height of her so you would do 54*2=108. Then the problem asks the difference between the top of the tree and the floor of the tree house. So 270-108=162. I hope this helped. :) Brainliest answer?
3 0
2 years ago
Read 2 more answers
Which statement is true regarding the graphed functions?
xenn [34]

Answer:

A

Step-by-step explanation:

because I mean u have to no what's a function and what's not a function is when the lines don't touch and a non function is when that do

5 0
2 years ago
Read 2 more answers
What is the equation of the circle with center (0, 0) that passes through the point (–4, –6)?
Vadim26 [7]

If the center is in point P(a,b) and has a radius r then circle equation is:

(x-a)²+(y-b)²=r².

In your task we've got P(0,0) so the circle equation is x²+y²=r².

We have to find r. Radius start at (0,0) and end at (-4,-6) therefore

r=√((-4)²+(-6)²) and

r²=(-4)²+(-6)²=16+36=52.

So answer is x²+y²=52.

4 0
2 years ago
Other questions:
  • The equation of a circle is (x + 12)2 + (y + 16)2 = (r1)2, and the circle passes through the origin. The equation of the circle
    5·1 answer
  • Mrs. Thomas has $71.00 to purchase bottles of juice for her class. If the bottles of juice cost $3.55 each, how many bottles can
    11·1 answer
  • A machine produces 268 bolts in 28 minutes. At the same rate, how many bolts would be produced in 21 minutes?
    13·2 answers
  • The sum of two numbers is 0. Twice the smaller number subtracted from 3 times the larger number is 10. Let x represent th larger
    14·2 answers
  • Round to the nearest thousandth. 0.7456
    8·2 answers
  • Planes X and Y and points J, K, L, M, and N are shown. Vertical plane X intersects horizontal plane Y. Point L is on the left ha
    10·1 answer
  • An increased number of colleges have been using online resources to research applicants. According to a study from last​ year, 3
    6·1 answer
  • Which phrase best describes the translation from the graph y = 2(x - 15)2 + 3 to the graph of y = 2(x - 11)2 + 3?
    9·1 answer
  • What is the following product? Assume x greater-than-or-equal-to 0 (4 x StartRoot 5 x squared EndRoot + 2 x squared StartRoot 6
    7·2 answers
  • A number changes from 50 to 76. What type of percent change is this? Calculate the percent change.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!