Search & Filtering
1. A teacher’s record has the following (a) Scores of student in a 50-item test (b) Gender (c)Height of the students Let: X = Scores of students in a 50-item test Y = Gender Z = Height of the students Classify each variable above as discrete or continuous
Samples of three cards are drawn at random from a population of 7 seven cards numbered 1 – 7.
47 – 48. How many possible samples can be drawn?
49 – 58 . Construct the sampling distribution of the sample means.
Machine Problem 5.8.
Write a program using two-‐dimensional arrays that lists the Odd numbers and Even numbers separately in a given 12 input values.
Sample input/out dialogue:
Enter twelve numbers: 15 20 13 35 40 16 18 20 18 20 19
Odd numbers are: 15 13 35 19
Even numbers are: 40 16 18 20 18 20
Machine Problem 5.7.
Write a program using two-‐dimensional arrays that determines the highest and lowest of the 12 input
values.
Sample input/output dialogue:
Enter twelve numbers: 13 15 20 13 35 40 16 18 20 18 20 19
The highest is: 40
The lowest is: 13
Machine Problem 5.6. Write a program using two-‐dimensional arrays that calculates the sum and average of the twelve input values which theuser would type from the keyboard and prints the calculated sum and average.
In case of intoxicated drivers is goverment concerned about efficiency or equality?
A simple random sample of size 5 is drawn without replacement from a finite
population consisting of 41 units. If the population standard deviation is 6.25, what is the
standard error of sample mean?
The following data give the no of passengers travelling by Boeing 747 from one city to another in one week.
320, 290, 265, 300, 270, 315
Calculate the mean and standard deviation
Machine Problem 5.5.
Write a program using two dimensional arrays that searches a number and display the number of times it occurs on the list of 12 input values.
Sample input/output dialogue:
Enter twelve numbers: 20 13 30 35 40 16 18 20 18 20
Enter a number to search: 20 Occurrence(s) : 3
Machine Problem 5.4.
Write a program using two-‐dimensional arrays that determines the ODD numbers among the12 input values typed fromthe keyboard and prints the list of these ODD numbers.
Sample input/output dialogue:
Enter twelve numbers: 8 9 10 7 25 30 69 101 798 10111 10023
Odd numbers are: 9 7 25 69 101 10111 10023
#340153 on Dec 2023