2015(4-6月) 分析|数据科学类 博士 全职@Google - 内推 - 技术电面 |Failfresh grad应届毕业生
1. 10,000 data point, unkown distribution. want to find the center of the data.|
a). discuss about the center, give senarios when mean or median is better.
b). find the median from the data. (Use resampling)
2. How to determine if a set of data is normally distributed?
. 1point 3acres 璁哄潧
3. 1 data point is given from a normal distribution with give variance, how to estimate the mean. If the data was given from a truncated normal distribution (record the data when it is positive), how to compute the posterior distribution.