04/12/19

While researching lifestyle changes to improve heart health, you come across a research article reporting that the average American consumes about 2,700 calories per day (μ = 2,700).
You come across another article that refutes this, stating that a sample of Americans consumed significantly less than this mean standard on average, t(50) = 3.363, p < 0.05 (η2 = 0.18).... more
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04/11/19

What two numbers make the sum of 14 and the difference of 6
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04/08/19

Carrie jogs 52/100 of a mile every morning. Her sister Lisa jogs 3/4 of a mile every afternoon? Who jogs further? Use an equation

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04/08/19

Dependent probability (One answer)
A bag contains 2 red marbles, 2 green marbles, and 4 blue marbles.If we choose a marble, then another marble without putting the first one back in the bag, what is the probability that the first... more
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04/08/19

Ty went to a park near her home.
All the people at the park were either hiking or bike riding. There were 178 more hikers than bike riders. If there were a total 676 people at the park, how many were hiking and how many were... more
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04/05/19

A rectangle is 1.5 times as long as it is wide. The perimeter of the rectangle is 75 inches. Find the width of the rectangle.
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04/03/19

comparing pre-test scores with post-test scores
I gave a pre-test to 72 students. The average of the scores was 8.8Later a gave the same test (post-test) to the same 72 student. The average of the scores was 66How can I show a comparison of... more
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04/01/19

What is the difference between populations and samples?
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03/27/19

Add 8 more to 3
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03/26/19

What are the different types of probability sampling?
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03/20/19

How To Find The Diagonal Of A Prism?
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03/19/19

Standard format for phone numbers?
I've recently noticed a wider variety in how phone numbers are presented, both in print and online, specifically with regard to spacing & punctuation.Examples: +1 (555) 123 4567 +1 (555)... more
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03/19/19

sorry guys idk how to do this and i really need help
A recipe calls for 5/8 pound of cheese per batch. Assuming you have enough of the other ingredients, how many batches of the recipe can you make with 5 pounds of cheese?
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03/14/19

Can SPSS be used for both descriptive statistical analysis and inferential statistical analysis?
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11/18/17

Which SPSS analysis can tell which interventions has benefited the patients most?
I have pre and post scores for each interventions. There are significant differences in the pair sample t test for each of the interventions.
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03/29/15

What “pictures, numbers and assumptions” are relevant when computing a correlation coefficient ....
please explain:   What “pictures, numbers and assumptions” are relevant when computing a correlation coefficient using the Pearson r formula?
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03/29/15

Before concluding that a “cause and effect” relationship may exist for a set of paired observations (X,Y) ....
explain:    Before concluding that a “cause and effect” relationship may exist for a set of paired observations (X,Y), one must first rule out alternative explanations that seem plausible. List... more
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02/15/15

Help with Probability Question!!!
Of all the college degrees awarded in the United States, 50% are bachelors degrees, 59% are earned by women, and 29% are bachelors degrees earned by women. Make Venn diagram and use it to answer... more
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02/11/15

probability
A floor is covered with 64 square foot tiles. All the tiles are beige except for the ones listed in the table. If you toss a quarter on the floor at random, what is the probability that it will... more
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01/08/15

Tossing a fair coin - probability And statistics - deviation
What is the deviation for 10 coin tosses? (Observed tosses 5 heads 5 tails)    what at is the deviation for 100 coin tosses? (Observed tosses 52 heads 48 tails)   What what is the deviation for... more
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12/21/14

Statistic Help, and I need it fast
A tire manufacturer designed a new trend pattern for its weather tires. Repeatered test were conducted on cars of approximately the same weight traveling at 60 miles per hour. The test showed that... more
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03/23/14

how to construct a histogram and percentage polygon
how do i do this given a set of data in excel
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