Category: Bahan Kuliah Statistics

  • Apa Sih Business Statistics Itu?

    Hmmm…mungkin banyak dari kamu sekalian yang berfikir  kalo statistics itu identik dengan melulu angka, big numbers, count a lot, counting and counting… Benarkah seperti itu?? Ternyata setiap hari, kita sangat dekat loh dengan statistics.. Banyak orang yang sengaja menonton acara perkiraan cuaca terbaru untuk menentukan setelan baju apa yang harus mereka pakai.. Kalau hari akan turun hujan, kemungkinan…

  • Exercise Chp Basic Probability:

  • Exercise Chp Normal Distribution

    A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 73 and a standard deviation of 8. a.What is the probability of getting a grade below 91 on this exam? b.What is the probability that a student scored between 65 and 89? c.The probability is 5% that…

  • Exercise Chp Basic Probability: The Wall Street Journal

    The broadcast networks introduce new television shows each fall. In an attempt to get viewers interested in the new shows, television commercials are aired during the summer as part of promotional campaign conducted prior to the fall debuts. The networks then conduct surveys to see what percentage of the viewing public is aware of the…

  • Central Tendency 2 Camera

    The Cost of 14 models of 15-megapixel digital cameras at a camera specialty store during 2014 was as follows. 340         450         450         280         220         340         290 370         400         310         340         430         270         380   Compute the mean, median, first quartile and third quartile Compute the range, interquartile range, variance, standard deviation and a coefficient of…

  • Central Tendency 1 SBLI

    In New York State, savings banks are permitted to sell a form of life insurance called Savings Bank Life Insurance (SBLI). The approval process consists of underwritting, which includes a review of the application, a medical information bureau check, possible requests for additional medical information and medical exams, and a policy compilation stage during which…

  • Business Statistics Chapter 2 Frequency and Percentage Distributions

  • Chapter 10 Soal ANOVA

    10.65 The data below represent the lifetime of four different alloys.                                                        Alloy 1 2 3 4 999 1022 1026 974 1010 973 1008 1015 995 1023 1005 1009 998 1023 1007 1011 1001 996 981 995   At the 0.05 level of significance, is there evidence of a difference in the mean lifetime of…