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### One Point Sample Size Information [duplicate]

Is there ever a 1 person sample size? Is there a 1 sample size for a computer program? When does a 1 data point sample size make sense?
10 views

### How much can I get from only one datapoint? [duplicate]

I will be soon ending my bachelors degree and choosing masters major. In my interest is newly opened major and I managed to get information about last years recruitment process, namely how many people ...
15k views

### How to perform Student's t-test having only sample size, sample average and population average are known?

Student's $t$-test requires the sample standard deviation $s$. However, how do I compute for $s$ when only the sample size and sample average are known? For example, if sample size is $49$ and sample ...
19k views

### If I only have a range, is it acceptable to calculate an average out of it?

Supposed I have only this data point available: Concentration = (1.1 - 2.0 g/L). Is it acceptable to conclude : ...
819 views

### Which statistical test to use when there's no data of SD but just know the mean?

In our lab, we work with the retina which yields very little sample. Although we have a reasonable sample size of six animals in each group, I don't understand which test to be used to test for ...
3k views

### How much sense does median of one number make?

Median of one number = the number itself. I am calculating the median price sq ft of properties of different areas based on the different data entries I have got that include their ID, area and ...
382 views

### How can I get the CI of a couple of numbers?

Is it possible to get the Confidence Interval of a couple of numbers (or more) without knowing the distribution or anything like that ? Thanks.
1k views

### Comparing pre and post test raw scores with one subject

I am currently in the process of trying to analyze data from research carried out. I am analyzing whether a music intervention showed improvements in rate, accuracy, fluency, and comprehension on a ...