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
insens350 [35]
3 years ago
11

A researcher is interested in whether using your finger to follow the words you are reading changes reading speed. She has stude

nts complete a reading speed test, first without using their fingers to follow the words and then again while using their fingers to follow the words. The researcher randomly selects a sample of 56 students who, at the beginning of the study, scored an average of 256 words per minute on the reading speed test. In the trial where they used their fingers while they read, the students scored an average of 6 words per minute higher. The standard deviation of the difference scores was 29. Since the sample size is larger than 30, the researcher can assume that the sampling distribution of MD is normal. She uses a repeated-measures t test to test that the mean difference is zero, and she describes the results as follows:
In the trial where they used their fingers while they read, the reading speed among students is not significantly different than when they do not use their fingers while they read, t(55) = 1.55, p = 0.127. If the researcher had used a repeated-measures ANOVA to test that the mean reading speed is the same before and after using their fingers while they read, he would describe the results as follows (fill in all missing values): In the trial where they used their fingers while they read, the reading speed among students is different than when they do not use their fingers while they read, F()=, p = 0.127.
Mathematics
1 answer:
serg [7]3 years ago
8 0

Answer:

why are u putting files how do u open it

You might be interested in
If points a,b,c,d and ,e are collinear and in that order. Find AC if AE = x+50 and CE=x+32
Alla [95]
By the segment addition postulate,
AC + CE = AE so AC = AE - CE
AC = (x+50) - (x+32)
AC = x+50-x-32
AC = 18
7 0
4 years ago
Read 2 more answers
A gift box of cookies has 4 chocolate chip cookies and 7 peanut butter cookies. Use c to represent the cost of each chocolate ch
dimulka [17.4K]

Answer:

20 chocolate and 35 peanut butter ( 4c+7p=1 )

Step-by-step explanation:

multiply both sides by 5

4 0
3 years ago
Solve: 3(2x+1)-2(x-5)-5(5-2x)=16 value of x?​
Nadya [2.5K]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{x = 2}}}}}

Step-by-step explanation:

\displaystyle{ \star{  \:  \: \underline{ \sf{given \: equation}}}} :

\sf{3(2x + 1) - 2(x - 5) - 5(5 - 2x) = 16}

Distribute 3 through the parentheses

\mapsto{\sf{6x + 3- 2(x - 5)- 5(5 -2x) = 16}}

Distribute 2 through the parentheses

\mapsto{ \sf{6x + 3 - 2x + 10- 5(5 - 2x) = 16}}

Distribute 5 through the parentheses

\mapsto{ \sf{6x + 3 - 2x + 10 - 25 + 10x = 16}}

Combine ike terms and simplify it

Like terms are those which have the same base

\mapsto{ \sf{6x - 2x  + 10x + 3 + 10 - 25 = 16}}

\mapsto{ \sf{4x + 10x + 3 + 10 - 25 = 16}}

\mapsto{ \sf{14x + 3 + 10 - 25 = 16}}

Add the numbers : 3 and 5

\mapsto{ \sf{14x + 13 - 25 = 16}}

The negative and positive integers are always subtracted but posses the sign of the bigger integer.

\mapsto{ \sf{14x - 12 = 16}}

Move 17 to right hand side and change it's sign

\mapsto{ \sf{14x = 16 + 12}}

Add the numbers: 16 and 17

\mapsto{ \sf{14x = 28}}

Divide both sides by 14

\mapsto{ \sf{ \frac{14x}{14}  =  \frac{28}{14}}}

Calculate

\mapsto{  \boxed{ \sf{x = 2}}}

The value of x is 2

Hope I helped!

Best regards!

~TheAnimeGirl

6 0
3 years ago
2x+3(x-4)=4(2x+3) solving one linear equation form
Art [367]

Answer:

x= -8

Step-by-step explanation:

2x+3x-12=8x+12

5x-12=8x+12

5x-8x=12+12

-3x=24

24/-3

x= -8

4 0
3 years ago
Help me plssss <br> will give brainliest
omeli [17]
Where is the question at cam you write it so I can help you jdkdkdkdjjfkfofofo
4 0
3 years ago
Other questions:
  • A circle is divided into 9 equal parts. What is the angle measured of two of those parts?What is the degrees
    10·1 answer
  • What is the solution of 3 sqrt x+8=-4?
    8·1 answer
  • Imani bought books for college and paid 35% of the total cost. Her parents paid the remaining balance of $438.75. The total cost
    15·1 answer
  • Enter the values for the highlighted variables to complete the steps to find the sum: (see picture)
    6·1 answer
  • What time is it 2 1/2 hours before 10:35am​
    7·1 answer
  • WILL REWARD BRAINIEST! A right rectangular container is 6 cm wide and 10 cm long and contains water to a depth of 7cm. A stone i
    12·2 answers
  • Divisible rules what is divisible by 4518
    14·1 answer
  • 4. What is the area of the composite shape below?<br><br>Answe step by step
    8·1 answer
  • Can someone help me with this
    6·2 answers
  • Write the phrase as an expression.<br><br> the sum of a number n and 14<br><br> An expression is
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!