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MAXWELL MANUMBU

Jun 4

#mathematics #statistics

What is the formula for calculating correlation coefficient?

2 1

Anonymous

Jun 4

#mathematics #statistics

Maths scores, X, and Physics scores, Y, are related by the regression equation, y = 1.2x + 1.5. Is the relationship between X and Y positive or negative?

Mathematics

2 1

Anonymous

Jun 3

#hypothesis-testing #statistics

State the differences between ANOVA and t test?

2 1

Panashe

Jun 2

#mathematics #statistics

Population variance formula?

2 1

Anonymous

Jun 2

#statistics

Estimate the mode of distribution ?

Please help me solve this

2 1

2 0

Anonymous

May 30

#research-methodology #statistics

Assume you plan to conduct a study and you have chosen a 90% confidence level, 0.6 standard deviation and margin error 4%. Determine the sample size?

2 1

Anonymous

May 27

#mathematics #statistics

(b) The probability that the sample proportion of population 2 exceeds that of population 1 by 7%.?

Solve from above

2 1

Anonymous

May 27

#mathematics #statistics

If P1=0.7, P2=0.75, n1=200 and n2=120 (a) Standard error for the difference between sample proportions 𝑝 2 − 𝑝 1 ?

Solve

2 1

Anonymous

May 26

#hiv-aids #statistics #health

Where can anyone obtain HIV statistics?

2 1

Shaun Mogoje

May 25

#mathematics #data-visualization #statistics

What are types of a statistical graph? ?

2 1

Eden Urgessa

May 25

#biology #statistics

Samples were taken of individuals with each blood type to see if the average white blood cell count differed among types. Ten individuals in each group were sampled. A, state the null hypothesis?

B, construct an ANOVA table

2 1

samples-were-taken-of-individuals-with-each-blood-type-to-see-if-the-average-white-blood-cell-count-differed-among-types-ten-individuals-in-each-group-were-sampled-a-state-the-null-hypothesis

2 0

Anonymous

May 23

#machine-learning #statistics

What is the difference between regression and correlation ?

...

2 1

Lencer Akinyi

May 22

#statistics

Characteristics of central measure?

2 1

abebe tena

May 19

#data-analysis #statistics

Discuss the nature of stationary and non stationary test?

5 1

Elizabeth Loishorwa

May 18

#data-analysis #statistics

Which one is a process of assigning number to word response or categories?

3 1

Anonymous

May 16

#mathematics #statistics

The ratio of men and women at a party was 5:7 respectively. There were 28 women. Calculate the number of people at party?

2 1

Anonymous

May 12

#mathematics #statistics

There are 9 observation in a set of data Arranged in size. the sum of the first 5 is 26,the sum of the last 5 is 34,and the mean of all is 9 and 6. Find the median of the set? ?

2 1

Anonymous

May 12

#relationships #data-analysis #research #statistics

List down 5 example of causol relationship?

2 1

Anonymous

May 9

#data-analysis #statistics

Which of the following diagrams may contain point that will yield the highest degree of correlation?

2 1

#statistics

MAXWELL MANUMBU

What is the formula for calculating correlation coefficient?

Anonymous

Maths scores, X, and Physics scores, Y, are related by the regression equation, y = 1.2x + 1.5. Is the relationship between X and Y positive or negative?

Anonymous

State the differences between ANOVA and t test?

Panashe

Population variance formula?

Anonymous

Estimate the mode of distribution ?

Anonymous

Assume you plan to conduct a study and you have chosen a 90% confidence level, 0.6 standard deviation and margin error 4%. Determine the sample size?

Anonymous

(b) The probability that the sample proportion of population 2 exceeds that of population 1 by 7%.?

Anonymous

If P1=0.7, P2=0.75, n1=200 and n2=120 (a) Standard error for the difference between sample proportions 𝑝 2 − 𝑝 1 ?

Anonymous

Where can anyone obtain HIV statistics?

Shaun Mogoje

What are types of a statistical graph? ?

Eden Urgessa

Samples were taken of individuals with each blood type to see if the average white blood cell count differed among types. Ten individuals in each group were sampled. A, state the null hypothesis?

Anonymous

What is the difference between regression and correlation ?

Lencer Akinyi

Characteristics of central measure?

abebe tena

Discuss the nature of stationary and non stationary test?

Elizabeth Loishorwa

Which one is a process of assigning number to word response or categories?

Anonymous

The ratio of men and women at a party was 5:7 respectively. There were 28 women. Calculate the number of people at party?

Anonymous

There are 9 observation in a set of data Arranged in size. the sum of the first 5 is 26,the sum of the last 5 is 34,and the mean of all is 9 and 6. Find the median of the set? ?

Anonymous

List down 5 example of causol relationship?

Anonymous

Which of the following diagrams may contain point that will yield the highest degree of correlation?

Anonymous

The regression line of Y on X is given as Y=a+bx. What does the b represent?

Anonymous