pcmanufact                package:qcc                R Documentation

_P_e_r_s_o_n_a_l _c_o_m_p_u_t_e_r _m_a_n_u_f_a_c_t_u_r_e_r _d_a_t_a

_D_e_s_c_r_i_p_t_i_o_n:

     A personal computer manufacturer counts the number of
     nonconformities per unit on the final assembly line. He collects
     data on 20 samples of 5 computers each.

_U_s_a_g_e:

     data(pcmanufact)

_F_o_r_m_a_t:

     A data frame with 10 observations on the following 2 variables.

     _x number of nonconformities (inspection units)

     _s_i_z_e number of computers inspected

_R_e_f_e_r_e_n_c_e_s:

     Montgomery, D.C. (1991) _Introduction to Statistical Quality
     Control_, 2nd ed, New York, John Wiley & Sons, pp. 181-182

_E_x_a_m_p_l_e_s:

     data(pcmanufact)
     attach(pcmanufact)
     summary(pcmanufact)
     plot(x/size, type="b")
     detach(pcmanufact)

