Adataset has 1000 records and 30 variables with 5% of the values missing, spread randomly throughout the records and variables. an analyst decides to remove records that have missing values. about how many records would you expect would be removed

The chance that a record would not have any missing variable is (1 – 0.5)^50,= .077. So out of a 1000 records, only 77 are likely to have all variables, which means we can expect about 923 records to be removed

b

step-by-step explanation:

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.